Home / 47,691,605.40-71,542,656.90-15,338,002.20

Finding the Fourth Proportional to 47,691,605.40, 71,542,656.90 and 15,338,002.20

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Solution

The fourth proportional to 47,691,605.40, 71,542,656.90 and 15,338,002.20 is: 23,008,691.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,691,605.40 : 71,542,656.90 = 15,338,002.20 : x
  2. Step 2: Convert to fraction form
    47,691,605.40/71,542,656.90 = 15,338,002.20/x
  3. Step 3: Cross multiply
    47,691,605.40x = 71,542,656.90 × 15,338,002.20
  4. Step 4: Simplify right side
    47,691,605.40x = 1,097,321,428,926,045.25
  5. Step 5: Solve for x
    x = 1,097,321,428,926,045.25/47,691,605.40
  6. Step 6: Final answer
    x = 23,008,691.36

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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.