Home / 18,120,943.92-25,001,272.92-10,279,163.76

Finding the Fourth Proportional to 18,120,943.92, 25,001,272.92 and 10,279,163.76

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Solution

The fourth proportional to 18,120,943.92, 25,001,272.92 and 10,279,163.76 is: 14,182,052.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,120,943.92 : 25,001,272.92 = 10,279,163.76 : x
  2. Step 2: Convert to fraction form
    18,120,943.92/25,001,272.92 = 10,279,163.76/x
  3. Step 3: Cross multiply
    18,120,943.92x = 25,001,272.92 × 10,279,163.76
  4. Step 4: Simplify right side
    18,120,943.92x = 256,992,178,553,133.41
  5. Step 5: Solve for x
    x = 256,992,178,553,133.41/18,120,943.92
  6. Step 6: Final answer
    x = 14,182,052.53

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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.