Home / 18,204,517.14-25,121,225.38-9,942,934.50

Finding the Fourth Proportional to 18,204,517.14, 25,121,225.38 and 9,942,934.50

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Solution

The fourth proportional to 18,204,517.14, 25,121,225.38 and 9,942,934.50 is: 13,720,698.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,204,517.14 : 25,121,225.38 = 9,942,934.50 : x
  2. Step 2: Convert to fraction form
    18,204,517.14/25,121,225.38 = 9,942,934.50/x
  3. Step 3: Cross multiply
    18,204,517.14x = 25,121,225.38 × 9,942,934.50
  4. Step 4: Simplify right side
    18,204,517.14x = 249,778,698,337,756.78
  5. Step 5: Solve for x
    x = 249,778,698,337,756.78/18,204,517.14
  6. Step 6: Final answer
    x = 13,720,698.91

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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.