Finding the Fourth Proportional to 8,960,909.50, 12,366,988.23 and 5,523,062.14
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Solution
The fourth proportional to 8,960,909.50, 12,366,988.23 and 5,523,062.14 is: 7,622,400.88
Step by Step Solution
- Step 1: Write the proportion equation
8,960,909.50 : 12,366,988.23 = 5,523,062.14 : x - Step 2: Convert to fraction form
8,960,909.50/12,366,988.23 = 5,523,062.14/x - Step 3: Cross multiply
8,960,909.50x = 12,366,988.23 × 5,523,062.14 - Step 4: Simplify right side
8,960,909.50x = 68,303,644,478,938.61 - Step 5: Solve for x
x = 68,303,644,478,938.61/8,960,909.50 - Step 6: Final answer
x = 7,622,400.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.