Finding the Fourth Proportional to 16,129,000.10, 24,193,500.15 and 15,581,569.70
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Solution
The fourth proportional to 16,129,000.10, 24,193,500.15 and 15,581,569.70 is: 23,372,354.55
Step by Step Solution
- Step 1: Write the proportion equation
16,129,000.10 : 24,193,500.15 = 15,581,569.70 : x - Step 2: Convert to fraction form
16,129,000.10/24,193,500.15 = 15,581,569.70/x - Step 3: Cross multiply
16,129,000.10x = 24,193,500.15 × 15,581,569.70 - Step 4: Simplify right side
16,129,000.10x = 376,972,708,874,185.44 - Step 5: Solve for x
x = 376,972,708,874,185.44/16,129,000.10 - Step 6: Final answer
x = 23,372,354.55
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1.5x scale
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.