Finding the Fourth Proportional to 15,332,553.80, 22,998,830.70 and 14,387,769.80
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Solution
The fourth proportional to 15,332,553.80, 22,998,830.70 and 14,387,769.80 is: 21,581,654.70
Step by Step Solution
- Step 1: Write the proportion equation
15,332,553.80 : 22,998,830.70 = 14,387,769.80 : x - Step 2: Convert to fraction form
15,332,553.80/22,998,830.70 = 14,387,769.80/x - Step 3: Cross multiply
15,332,553.80x = 22,998,830.70 × 14,387,769.80 - Step 4: Simplify right side
15,332,553.80x = 330,901,881,780,772.88 - Step 5: Solve for x
x = 330,901,881,780,772.88/15,332,553.80 - Step 6: Final answer
x = 21,581,654.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.