Finding the Fourth Proportional to 14,491,621.80, 21,737,432.70 and 5,969,125.80
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Solution
The fourth proportional to 14,491,621.80, 21,737,432.70 and 5,969,125.80 is: 8,953,688.70
Step by Step Solution
- Step 1: Write the proportion equation
14,491,621.80 : 21,737,432.70 = 5,969,125.80 : x - Step 2: Convert to fraction form
14,491,621.80/21,737,432.70 = 5,969,125.80/x - Step 3: Cross multiply
14,491,621.80x = 21,737,432.70 × 5,969,125.80 - Step 4: Simplify right side
14,491,621.80x = 129,753,470,355,333.66 - Step 5: Solve for x
x = 129,753,470,355,333.66/14,491,621.80 - Step 6: Final answer
x = 8,953,688.70
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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.