Home / 10,115,758.20-15,173,637.30-9,947,796.60

Finding the Fourth Proportional to 10,115,758.20, 15,173,637.30 and 9,947,796.60

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Solution

The fourth proportional to 10,115,758.20, 15,173,637.30 and 9,947,796.60 is: 14,921,694.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,115,758.20 : 15,173,637.30 = 9,947,796.60 : x
  2. Step 2: Convert to fraction form
    10,115,758.20/15,173,637.30 = 9,947,796.60/x
  3. Step 3: Cross multiply
    10,115,758.20x = 15,173,637.30 × 9,947,796.60
  4. Step 4: Simplify right side
    10,115,758.20x = 150,944,257,542,573.19
  5. Step 5: Solve for x
    x = 150,944,257,542,573.19/10,115,758.20
  6. Step 6: Final answer
    x = 14,921,694.90

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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.