Home / 25,550,719.76-38,332,120.62-8,278,892.12

Finding the Fourth Proportional to 25,550,719.76, 38,332,120.62 and 8,278,892.12

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Solution

The fourth proportional to 25,550,719.76, 38,332,120.62 and 8,278,892.12 is: 12,420,295.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,550,719.76 : 38,332,120.62 = 8,278,892.12 : x
  2. Step 2: Convert to fraction form
    25,550,719.76/38,332,120.62 = 8,278,892.12/x
  3. Step 3: Cross multiply
    25,550,719.76x = 38,332,120.62 × 8,278,892.12
  4. Step 4: Simplify right side
    25,550,719.76x = 317,347,491,343,807.50
  5. Step 5: Solve for x
    x = 317,347,491,343,807.50/25,550,719.76
  6. Step 6: Final answer
    x = 12,420,295.57

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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.