Finding the Fourth Proportional to 9,376,942.70, 14,065,414.05 and 8,999,029.10
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Solution
The fourth proportional to 9,376,942.70, 14,065,414.05 and 8,999,029.10 is: 13,498,543.65
Step by Step Solution
- Step 1: Write the proportion equation
9,376,942.70 : 14,065,414.05 = 8,999,029.10 : x - Step 2: Convert to fraction form
9,376,942.70/14,065,414.05 = 8,999,029.10/x - Step 3: Cross multiply
9,376,942.70x = 14,065,414.05 × 8,999,029.10 - Step 4: Simplify right side
9,376,942.70x = 126,575,070,339,498.86 - Step 5: Solve for x
x = 126,575,070,339,498.86/9,376,942.70 - Step 6: Final answer
x = 13,498,543.65
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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.