Home / 20,253,503.20-30,376,980.24-7,480,023.52

Finding the Fourth Proportional to 20,253,503.20, 30,376,980.24 and 7,480,023.52

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Solution

The fourth proportional to 20,253,503.20, 30,376,980.24 and 7,480,023.52 is: 11,218,825.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,253,503.20 : 30,376,980.24 = 7,480,023.52 : x
  2. Step 2: Convert to fraction form
    20,253,503.20/30,376,980.24 = 7,480,023.52/x
  3. Step 3: Cross multiply
    20,253,503.20x = 30,376,980.24 × 7,480,023.52
  4. Step 4: Simplify right side
    20,253,503.20x = 227,220,526,661,775.22
  5. Step 5: Solve for x
    x = 227,220,526,661,775.22/20,253,503.20
  6. Step 6: Final answer
    x = 11,218,825.92

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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.