Home / 15,458,948.20-23,188,422.30-9,785,578.60

Finding the Fourth Proportional to 15,458,948.20, 23,188,422.30 and 9,785,578.60

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Solution

The fourth proportional to 15,458,948.20, 23,188,422.30 and 9,785,578.60 is: 14,678,367.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,458,948.20 : 23,188,422.30 = 9,785,578.60 : x
  2. Step 2: Convert to fraction form
    15,458,948.20/23,188,422.30 = 9,785,578.60/x
  3. Step 3: Cross multiply
    15,458,948.20x = 23,188,422.30 × 9,785,578.60
  4. Step 4: Simplify right side
    15,458,948.20x = 226,912,129,026,642.78
  5. Step 5: Solve for x
    x = 226,912,129,026,642.78/15,458,948.20
  6. Step 6: Final answer
    x = 14,678,367.90

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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.