Home / 12,099,476.20-18,149,214.30-10,979,732.20

Finding the Fourth Proportional to 12,099,476.20, 18,149,214.30 and 10,979,732.20

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Solution

The fourth proportional to 12,099,476.20, 18,149,214.30 and 10,979,732.20 is: 16,469,598.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,099,476.20 : 18,149,214.30 = 10,979,732.20 : x
  2. Step 2: Convert to fraction form
    12,099,476.20/18,149,214.30 = 10,979,732.20/x
  3. Step 3: Cross multiply
    12,099,476.20x = 18,149,214.30 × 10,979,732.20
  4. Step 4: Simplify right side
    12,099,476.20x = 199,273,512,654,410.47
  5. Step 5: Solve for x
    x = 199,273,512,654,410.47/12,099,476.20
  6. Step 6: Final answer
    x = 16,469,598.30

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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.