Home / 25,540,939.66-38,278,141.17-10,377,143.50

Finding the Fourth Proportional to 25,540,939.66, 38,278,141.17 and 10,377,143.50

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Solution

The fourth proportional to 25,540,939.66, 38,278,141.17 and 10,377,143.50 is: 15,552,198.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,540,939.66 : 38,278,141.17 = 10,377,143.50 : x
  2. Step 2: Convert to fraction form
    25,540,939.66/38,278,141.17 = 10,377,143.50/x
  3. Step 3: Cross multiply
    25,540,939.66x = 38,278,141.17 × 10,377,143.50
  4. Step 4: Simplify right side
    25,540,939.66x = 397,217,763,834,347.94
  5. Step 5: Solve for x
    x = 397,217,763,834,347.94/25,540,939.66
  6. Step 6: Final answer
    x = 15,552,198.51

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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.