Home / 21,801,949.92-32,707,990.08-7,425,142.56

Finding the Fourth Proportional to 21,801,949.92, 32,707,990.08 and 7,425,142.56

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Solution

The fourth proportional to 21,801,949.92, 32,707,990.08 and 7,425,142.56 is: 11,139,438.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,801,949.92 : 32,707,990.08 = 7,425,142.56 : x
  2. Step 2: Convert to fraction form
    21,801,949.92/32,707,990.08 = 7,425,142.56/x
  3. Step 3: Cross multiply
    21,801,949.92x = 32,707,990.08 × 7,425,142.56
  4. Step 4: Simplify right side
    21,801,949.92x = 242,861,489,195,065.78
  5. Step 5: Solve for x
    x = 242,861,489,195,065.78/21,801,949.92
  6. Step 6: Final answer
    x = 11,139,438.91

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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.