Sometimes you are given the debt-equity ratio (TL/E) or you may find it in a source for industry ratios. In AGEC 424, I normally want you to use TL/TA. So you need to convert the debt-equity ratio into the TL/TA ratio. The conversion is according to the equation:
Steps in derivation:
First use TA = TL+E, to replace TA in the denominator.