Home / 18,491,209.24-25,518,620.90-10,231,137.16

Finding the Fourth Proportional to 18,491,209.24, 25,518,620.90 and 10,231,137.16

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Solution

The fourth proportional to 18,491,209.24, 25,518,620.90 and 10,231,137.16 is: 14,119,385.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,491,209.24 : 25,518,620.90 = 10,231,137.16 : x
  2. Step 2: Convert to fraction form
    18,491,209.24/25,518,620.90 = 10,231,137.16/x
  3. Step 3: Cross multiply
    18,491,209.24x = 25,518,620.90 × 10,231,137.16
  4. Step 4: Simplify right side
    18,491,209.24x = 261,084,510,561,942.62
  5. Step 5: Solve for x
    x = 261,084,510,561,942.62/18,491,209.24
  6. Step 6: Final answer
    x = 14,119,385.44

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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.