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Finding the Fourth Proportional to 18,440,410.60, 27,660,615.90 and 9,482,458.60

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Solution

The fourth proportional to 18,440,410.60, 27,660,615.90 and 9,482,458.60 is: 14,223,687.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440,410.60 : 27,660,615.90 = 9,482,458.60 : x
  2. Step 2: Convert to fraction form
    18,440,410.60/27,660,615.90 = 9,482,458.60/x
  3. Step 3: Cross multiply
    18,440,410.60x = 27,660,615.90 × 9,482,458.60
  4. Step 4: Simplify right side
    18,440,410.60x = 262,290,645,122,251.72
  5. Step 5: Solve for x
    x = 262,290,645,122,251.72/18,440,410.60
  6. Step 6: Final answer
    x = 14,223,687.90

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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.