Home / 11,139,103.38-16,693,241.38-8,040,387.43

Finding the Fourth Proportional to 11,139,103.38, 16,693,241.38 and 8,040,387.43

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Solution

The fourth proportional to 11,139,103.38, 16,693,241.38 and 8,040,387.43 is: 12,049,455.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,139,103.38 : 16,693,241.38 = 8,040,387.43 : x
  2. Step 2: Convert to fraction form
    11,139,103.38/16,693,241.38 = 8,040,387.43/x
  3. Step 3: Cross multiply
    11,139,103.38x = 16,693,241.38 × 8,040,387.43
  4. Step 4: Simplify right side
    11,139,103.38x = 134,220,128,157,707.86
  5. Step 5: Solve for x
    x = 134,220,128,157,707.86/11,139,103.38
  6. Step 6: Final answer
    x = 12,049,455.29

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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.