Finding the Fourth Proportional to 7,129,272.70, 10,693,909.05 and 2,337,446.35
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Solution
The fourth proportional to 7,129,272.70, 10,693,909.05 and 2,337,446.35 is: 3,506,169.53
Step by Step Solution
- Step 1: Write the proportion equation
7,129,272.70 : 10,693,909.05 = 2,337,446.35 : x - Step 2: Convert to fraction form
7,129,272.70/10,693,909.05 = 2,337,446.35/x - Step 3: Cross multiply
7,129,272.70x = 10,693,909.05 × 2,337,446.35 - Step 4: Simplify right side
7,129,272.70x = 24,996,438,676,154.47 - Step 5: Solve for x
x = 24,996,438,676,154.47/7,129,272.70 - Step 6: Final answer
x = 3,506,169.53
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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.