Home / 28,097,712.20-42,125,573.10-15,332,630.60

Finding the Fourth Proportional to 28,097,712.20, 42,125,573.10 and 15,332,630.60

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Solution

The fourth proportional to 28,097,712.20, 42,125,573.10 and 15,332,630.60 is: 22,987,489.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,097,712.20 : 42,125,573.10 = 15,332,630.60 : x
  2. Step 2: Convert to fraction form
    28,097,712.20/42,125,573.10 = 15,332,630.60/x
  3. Step 3: Cross multiply
    28,097,712.20x = 42,125,573.10 × 15,332,630.60
  4. Step 4: Simplify right side
    28,097,712.20x = 645,895,851,155,596.88
  5. Step 5: Solve for x
    x = 645,895,851,155,596.88/28,097,712.20
  6. Step 6: Final answer
    x = 22,987,489.04

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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.