Home / 25,451,807.76-38,177,712-20,954,635.92

Finding the Fourth Proportional to 25,451,807.76, 38,177,712 and 20,954,635.92

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Solution

The fourth proportional to 25,451,807.76, 38,177,712 and 20,954,635.92 is: 31,431,954.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,451,807.76 : 38,177,712 = 20,954,635.92 : x
  2. Step 2: Convert to fraction form
    25,451,807.76/38,177,712 = 20,954,635.92/x
  3. Step 3: Cross multiply
    25,451,807.76x = 38,177,712 × 20,954,635.92
  4. Step 4: Simplify right side
    25,451,807.76x = 800,000,055,218,615.12
  5. Step 5: Solve for x
    x = 800,000,055,218,615.12/25,451,807.76
  6. Step 6: Final answer
    x = 31,431,954.18

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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.