Home / 13,591,581.05-20,377,188.45-8,198,974.46

Finding the Fourth Proportional to 13,591,581.05, 20,377,188.45 and 8,198,974.46

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Solution

The fourth proportional to 13,591,581.05, 20,377,188.45 and 8,198,974.46 is: 12,292,318.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,591,581.05 : 20,377,188.45 = 8,198,974.46 : x
  2. Step 2: Convert to fraction form
    13,591,581.05/20,377,188.45 = 8,198,974.46/x
  3. Step 3: Cross multiply
    13,591,581.05x = 20,377,188.45 × 8,198,974.46
  4. Step 4: Simplify right side
    13,591,581.05x = 167,072,047,668,156.97
  5. Step 5: Solve for x
    x = 167,072,047,668,156.97/13,591,581.05
  6. Step 6: Final answer
    x = 12,292,318.83

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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.