Home / 18,336,222.61-25,298,469.01-10,991,375.85

Finding the Fourth Proportional to 18,336,222.61, 25,298,469.01 and 10,991,375.85

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Solution

The fourth proportional to 18,336,222.61, 25,298,469.01 and 10,991,375.85 is: 15,164,790.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,336,222.61 : 25,298,469.01 = 10,991,375.85 : x
  2. Step 2: Convert to fraction form
    18,336,222.61/25,298,469.01 = 10,991,375.85/x
  3. Step 3: Cross multiply
    18,336,222.61x = 25,298,469.01 × 10,991,375.85
  4. Step 4: Simplify right side
    18,336,222.61x = 278,064,981,318,487.41
  5. Step 5: Solve for x
    x = 278,064,981,318,487.41/18,336,222.61
  6. Step 6: Final answer
    x = 15,164,790.88

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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.