Home / 20,253,617.20-30,377,151.24-7,480,137.52

Finding the Fourth Proportional to 20,253,617.20, 30,377,151.24 and 7,480,137.52

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Solution

The fourth proportional to 20,253,617.20, 30,377,151.24 and 7,480,137.52 is: 11,218,996.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,253,617.20 : 30,377,151.24 = 7,480,137.52 : x
  2. Step 2: Convert to fraction form
    20,253,617.20/30,377,151.24 = 7,480,137.52/x
  3. Step 3: Cross multiply
    20,253,617.20x = 30,377,151.24 × 7,480,137.52
  4. Step 4: Simplify right side
    20,253,617.20x = 227,225,268,741,038.50
  5. Step 5: Solve for x
    x = 227,225,268,741,038.50/20,253,617.20
  6. Step 6: Final answer
    x = 11,218,996.91

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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.