Home / 18,321,824.20-27,482,736.30-11,597,830.60

Finding the Fourth Proportional to 18,321,824.20, 27,482,736.30 and 11,597,830.60

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Solution

The fourth proportional to 18,321,824.20, 27,482,736.30 and 11,597,830.60 is: 17,396,745.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,321,824.20 : 27,482,736.30 = 11,597,830.60 : x
  2. Step 2: Convert to fraction form
    18,321,824.20/27,482,736.30 = 11,597,830.60/x
  3. Step 3: Cross multiply
    18,321,824.20x = 27,482,736.30 × 11,597,830.60
  4. Step 4: Simplify right side
    18,321,824.20x = 318,740,120,031,870.75
  5. Step 5: Solve for x
    x = 318,740,120,031,870.75/18,321,824.20
  6. Step 6: Final answer
    x = 17,396,745.90

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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.