Home / 13,015,402.38-17,951,928.75-8,600,013.90

Finding the Fourth Proportional to 13,015,402.38, 17,951,928.75 and 8,600,013.90

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Solution

The fourth proportional to 13,015,402.38, 17,951,928.75 and 8,600,013.90 is: 11,861,856.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,015,402.38 : 17,951,928.75 = 8,600,013.90 : x
  2. Step 2: Convert to fraction form
    13,015,402.38/17,951,928.75 = 8,600,013.90/x
  3. Step 3: Cross multiply
    13,015,402.38x = 17,951,928.75 × 8,600,013.90
  4. Step 4: Simplify right side
    13,015,402.38x = 154,386,836,781,809.62
  5. Step 5: Solve for x
    x = 154,386,836,781,809.62/13,015,402.38
  6. Step 6: Final answer
    x = 11,861,856.61

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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.