Home / 19,861,976-29,793,523.05-5,485,043.85

Finding the Fourth Proportional to 19,861,976, 29,793,523.05 and 5,485,043.85

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Solution

The fourth proportional to 19,861,976, 29,793,523.05 and 5,485,043.85 is: 8,227,720.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,861,976 : 29,793,523.05 = 5,485,043.85 : x
  2. Step 2: Convert to fraction form
    19,861,976/29,793,523.05 = 5,485,043.85/x
  3. Step 3: Cross multiply
    19,861,976x = 29,793,523.05 × 5,485,043.85
  4. Step 4: Simplify right side
    19,861,976x = 163,418,780,375,235.75
  5. Step 5: Solve for x
    x = 163,418,780,375,235.75/19,861,976
  6. Step 6: Final answer
    x = 8,227,720.16

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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.