Home / 20,253,615.20-30,377,148.24-7,480,135.52

Finding the Fourth Proportional to 20,253,615.20, 30,377,148.24 and 7,480,135.52

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Solution

The fourth proportional to 20,253,615.20, 30,377,148.24 and 7,480,135.52 is: 11,218,993.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,253,615.20 : 30,377,148.24 = 7,480,135.52 : x
  2. Step 2: Convert to fraction form
    20,253,615.20/30,377,148.24 = 7,480,135.52/x
  3. Step 3: Cross multiply
    20,253,615.20x = 30,377,148.24 × 7,480,135.52
  4. Step 4: Simplify right side
    20,253,615.20x = 227,225,185,546,329.47
  5. Step 5: Solve for x
    x = 227,225,185,546,329.47/20,253,615.20
  6. Step 6: Final answer
    x = 11,218,993.91

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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.