Home / 11,613,136.68-16,026,540.78-6,386,542.20

Finding the Fourth Proportional to 11,613,136.68, 16,026,540.78 and 6,386,542.20

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Solution

The fourth proportional to 11,613,136.68, 16,026,540.78 and 6,386,542.20 is: 8,813,654.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,613,136.68 : 16,026,540.78 = 6,386,542.20 : x
  2. Step 2: Convert to fraction form
    11,613,136.68/16,026,540.78 = 6,386,542.20/x
  3. Step 3: Cross multiply
    11,613,136.68x = 16,026,540.78 × 6,386,542.20
  4. Step 4: Simplify right side
    11,613,136.68x = 102,354,179,011,490.92
  5. Step 5: Solve for x
    x = 102,354,179,011,490.92/11,613,136.68
  6. Step 6: Final answer
    x = 8,813,654.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.