Finding the Fourth Proportional to 7,791,337.80, 11,687,006.70 and 5,901,769.80
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Solution
The fourth proportional to 7,791,337.80, 11,687,006.70 and 5,901,769.80 is: 8,852,654.70
Step by Step Solution
- Step 1: Write the proportion equation
7,791,337.80 : 11,687,006.70 = 5,901,769.80 : x - Step 2: Convert to fraction form
7,791,337.80/11,687,006.70 = 5,901,769.80/x - Step 3: Cross multiply
7,791,337.80x = 11,687,006.70 × 5,901,769.80 - Step 4: Simplify right side
7,791,337.80x = 68,974,023,194,457.66 - Step 5: Solve for x
x = 68,974,023,194,457.66/7,791,337.80 - Step 6: Final answer
x = 8,852,654.70
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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.