Home / 20,195,045.76-30,307,183.92-7,900,825.44

Finding the Fourth Proportional to 20,195,045.76, 30,307,183.92 and 7,900,825.44

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Solution

The fourth proportional to 20,195,045.76, 30,307,183.92 and 7,900,825.44 is: 11,856,956.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,195,045.76 : 30,307,183.92 = 7,900,825.44 : x
  2. Step 2: Convert to fraction form
    20,195,045.76/30,307,183.92 = 7,900,825.44/x
  3. Step 3: Cross multiply
    20,195,045.76x = 30,307,183.92 × 7,900,825.44
  4. Step 4: Simplify right side
    20,195,045.76x = 239,451,769,729,894.94
  5. Step 5: Solve for x
    x = 239,451,769,729,894.94/20,195,045.76
  6. Step 6: Final answer
    x = 11,856,956.04

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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.