Finding the Fourth Proportional to 15,798,092.97, 21,801,362.99 and 8,554,748.97
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Solution
The fourth proportional to 15,798,092.97, 21,801,362.99 and 8,554,748.97 is: 11,805,550.70
Step by Step Solution
- Step 1: Write the proportion equation
15,798,092.97 : 21,801,362.99 = 8,554,748.97 : x - Step 2: Convert to fraction form
15,798,092.97/21,801,362.99 = 8,554,748.97/x - Step 3: Cross multiply
15,798,092.97x = 21,801,362.99 × 8,554,748.97 - Step 4: Simplify right side
15,798,092.97x = 186,505,187,540,524.88 - Step 5: Solve for x
x = 186,505,187,540,524.88/15,798,092.97 - Step 6: Final answer
x = 11,805,550.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.