Home / 20,944,960.56-28,904,218.92-11,777,523.12

Finding the Fourth Proportional to 20,944,960.56, 28,904,218.92 and 11,777,523.12

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Solution

The fourth proportional to 20,944,960.56, 28,904,218.92 and 11,777,523.12 is: 16,253,079.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,944,960.56 : 28,904,218.92 = 11,777,523.12 : x
  2. Step 2: Convert to fraction form
    20,944,960.56/28,904,218.92 = 11,777,523.12/x
  3. Step 3: Cross multiply
    20,944,960.56x = 28,904,218.92 × 11,777,523.12
  4. Step 4: Simplify right side
    20,944,960.56x = 340,420,106,595,841.44
  5. Step 5: Solve for x
    x = 340,420,106,595,841.44/20,944,960.56
  6. Step 6: Final answer
    x = 16,253,079.38

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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.