Home / 11,700,863.10-17,551,294.65-7,874,487.90

Finding the Fourth Proportional to 11,700,863.10, 17,551,294.65 and 7,874,487.90

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Solution

The fourth proportional to 11,700,863.10, 17,551,294.65 and 7,874,487.90 is: 11,811,731.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,700,863.10 : 17,551,294.65 = 7,874,487.90 : x
  2. Step 2: Convert to fraction form
    11,700,863.10/17,551,294.65 = 7,874,487.90/x
  3. Step 3: Cross multiply
    11,700,863.10x = 17,551,294.65 × 7,874,487.90
  4. Step 4: Simplify right side
    11,700,863.10x = 138,207,457,350,759.73
  5. Step 5: Solve for x
    x = 138,207,457,350,759.73/11,700,863.10
  6. Step 6: Final answer
    x = 11,811,731.85

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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.