Finding the Fourth Proportional to 29,451,915.70, 44,162,127.15 and 12,393,315.70
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Solution
The fourth proportional to 29,451,915.70, 44,162,127.15 and 12,393,315.70 is: 18,583,347.49
Step by Step Solution
- Step 1: Write the proportion equation
29,451,915.70 : 44,162,127.15 = 12,393,315.70 : x - Step 2: Convert to fraction form
29,451,915.70/44,162,127.15 = 12,393,315.70/x - Step 3: Cross multiply
29,451,915.70x = 44,162,127.15 × 12,393,315.70 - Step 4: Simplify right side
29,451,915.70x = 547,315,183,753,491.19 - Step 5: Solve for x
x = 547,315,183,753,491.19/29,451,915.70 - Step 6: Final answer
x = 18,583,347.49
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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.