Home / 18,432,002.20-27,648,003.30-10,469,378.20

Finding the Fourth Proportional to 18,432,002.20, 27,648,003.30 and 10,469,378.20

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Solution

The fourth proportional to 18,432,002.20, 27,648,003.30 and 10,469,378.20 is: 15,704,067.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,432,002.20 : 27,648,003.30 = 10,469,378.20 : x
  2. Step 2: Convert to fraction form
    18,432,002.20/27,648,003.30 = 10,469,378.20/x
  3. Step 3: Cross multiply
    18,432,002.20x = 27,648,003.30 × 10,469,378.20
  4. Step 4: Simplify right side
    18,432,002.20x = 289,457,403,022,548.06
  5. Step 5: Solve for x
    x = 289,457,403,022,548.06/18,432,002.20
  6. Step 6: Final answer
    x = 15,704,067.30

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Double scale
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Similar ratio
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1.5x scale

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.