Home / 18,764,025.38-28,164,238.68-9,055,470.71

Finding the Fourth Proportional to 18,764,025.38, 28,164,238.68 and 9,055,470.71

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Solution

The fourth proportional to 18,764,025.38, 28,164,238.68 and 9,055,470.71 is: 13,591,989.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,764,025.38 : 28,164,238.68 = 9,055,470.71 : x
  2. Step 2: Convert to fraction form
    18,764,025.38/28,164,238.68 = 9,055,470.71/x
  3. Step 3: Cross multiply
    18,764,025.38x = 28,164,238.68 × 9,055,470.71
  4. Step 4: Simplify right side
    18,764,025.38x = 255,040,438,295,367.88
  5. Step 5: Solve for x
    x = 255,040,438,295,367.88/18,764,025.38
  6. Step 6: Final answer
    x = 13,591,989.63

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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.