Finding the Fourth Proportional to 11,645,432.34, 17,471,389.12 and 5,080,715.70
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Solution
The fourth proportional to 11,645,432.34, 17,471,389.12 and 5,080,715.70 is: 7,622,487.38
Step by Step Solution
- Step 1: Write the proportion equation
11,645,432.34 : 17,471,389.12 = 5,080,715.70 : x - Step 2: Convert to fraction form
11,645,432.34/17,471,389.12 = 5,080,715.70/x - Step 3: Cross multiply
11,645,432.34x = 17,471,389.12 × 5,080,715.70 - Step 4: Simplify right side
11,645,432.34x = 88,767,161,002,793.19 - Step 5: Solve for x
x = 88,767,161,002,793.19/11,645,432.34 - Step 6: Final answer
x = 7,622,487.38
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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.