Home / 18,204,385.30-25,122,815.42-10,469,433.74

Finding the Fourth Proportional to 18,204,385.30, 25,122,815.42 and 10,469,433.74

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Solution

The fourth proportional to 18,204,385.30, 25,122,815.42 and 10,469,433.74 is: 14,448,257.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,204,385.30 : 25,122,815.42 = 10,469,433.74 : x
  2. Step 2: Convert to fraction form
    18,204,385.30/25,122,815.42 = 10,469,433.74/x
  3. Step 3: Cross multiply
    18,204,385.30x = 25,122,815.42 × 10,469,433.74
  4. Step 4: Simplify right side
    18,204,385.30x = 263,021,651,223,979
  5. Step 5: Solve for x
    x = 263,021,651,223,979/18,204,385.30
  6. Step 6: Final answer
    x = 14,448,257.76

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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.