Home / 12,797,998.20-19,196,997.30-8,493,326.10

Finding the Fourth Proportional to 12,797,998.20, 19,196,997.30 and 8,493,326.10

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Solution

The fourth proportional to 12,797,998.20, 19,196,997.30 and 8,493,326.10 is: 12,739,989.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,797,998.20 : 19,196,997.30 = 8,493,326.10 : x
  2. Step 2: Convert to fraction form
    12,797,998.20/19,196,997.30 = 8,493,326.10/x
  3. Step 3: Cross multiply
    12,797,998.20x = 19,196,997.30 × 8,493,326.10
  4. Step 4: Simplify right side
    12,797,998.20x = 163,046,358,209,719.53
  5. Step 5: Solve for x
    x = 163,046,358,209,719.53/12,797,998.20
  6. Step 6: Final answer
    x = 12,739,989.15

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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.