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Finding the Fourth Proportional to 8,865,227.32, 12,233,486.32 and 5,143,770.96

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Solution

The fourth proportional to 8,865,227.32, 12,233,486.32 and 5,143,770.96 is: 7,098,097.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865,227.32 : 12,233,486.32 = 5,143,770.96 : x
  2. Step 2: Convert to fraction form
    8,865,227.32/12,233,486.32 = 5,143,770.96/x
  3. Step 3: Cross multiply
    8,865,227.32x = 12,233,486.32 × 5,143,770.96
  4. Step 4: Simplify right side
    8,865,227.32x = 62,926,251,672,373.27
  5. Step 5: Solve for x
    x = 62,926,251,672,373.27/8,865,227.32
  6. Step 6: Final answer
    x = 7,098,097.93

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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.