Home / 18,204,511.25-25,121,217.29-9,942,928.61

Finding the Fourth Proportional to 18,204,511.25, 25,121,217.29 and 9,942,928.61

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Solution

The fourth proportional to 18,204,511.25, 25,121,217.29 and 9,942,928.61 is: 13,720,690.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,204,511.25 : 25,121,217.29 = 9,942,928.61 : x
  2. Step 2: Convert to fraction form
    18,204,511.25/25,121,217.29 = 9,942,928.61/x
  3. Step 3: Cross multiply
    18,204,511.25x = 25,121,217.29 × 9,942,928.61
  4. Step 4: Simplify right side
    18,204,511.25x = 249,778,469,935,446.94
  5. Step 5: Solve for x
    x = 249,778,469,935,446.94/18,204,511.25
  6. Step 6: Final answer
    x = 13,720,690.79

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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.