Finding the Fourth Proportional to 14,791,234.10, 20,412,691.54 and 8,265,021.98
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Solution
The fourth proportional to 14,791,234.10, 20,412,691.54 and 8,265,021.98 is: 11,406,170.91
Step by Step Solution
- Step 1: Write the proportion equation
14,791,234.10 : 20,412,691.54 = 8,265,021.98 : x - Step 2: Convert to fraction form
14,791,234.10/20,412,691.54 = 8,265,021.98/x - Step 3: Cross multiply
14,791,234.10x = 20,412,691.54 × 8,265,021.98 - Step 4: Simplify right side
14,791,234.10x = 168,711,344,126,334.03 - Step 5: Solve for x
x = 168,711,344,126,334.03/14,791,234.10 - Step 6: Final answer
x = 11,406,170.91
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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.