Finding the Fourth Proportional to 38,756,086.20, 58,132,197.48 and 14,493,229.38
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Solution
The fourth proportional to 38,756,086.20, 58,132,197.48 and 14,493,229.38 is: 21,739,121.65
Step by Step Solution
- Step 1: Write the proportion equation
38,756,086.20 : 58,132,197.48 = 14,493,229.38 : x - Step 2: Convert to fraction form
38,756,086.20/58,132,197.48 = 14,493,229.38/x - Step 3: Cross multiply
38,756,086.20x = 58,132,197.48 × 14,493,229.38 - Step 4: Simplify right side
38,756,086.20x = 842,523,272,441,098 - Step 5: Solve for x
x = 842,523,272,441,098/38,756,086.20 - Step 6: Final answer
x = 21,739,121.65
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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.