Home / 12,728,249.33-19,067,179.64-11,132,614.13

Finding the Fourth Proportional to 12,728,249.33, 19,067,179.64 and 11,132,614.13

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Solution

The fourth proportional to 12,728,249.33, 19,067,179.64 and 11,132,614.13 is: 16,676,885.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,728,249.33 : 19,067,179.64 = 11,132,614.13 : x
  2. Step 2: Convert to fraction form
    12,728,249.33/19,067,179.64 = 11,132,614.13/x
  3. Step 3: Cross multiply
    12,728,249.33x = 19,067,179.64 × 11,132,614.13
  4. Step 4: Simplify right side
    12,728,249.33x = 212,267,553,423,849.28
  5. Step 5: Solve for x
    x = 212,267,553,423,849.28/12,728,249.33
  6. Step 6: Final answer
    x = 16,676,885.24

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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.