Home / 20,469,680.91-28,247,418.36-11,302,126.83

Finding the Fourth Proportional to 20,469,680.91, 28,247,418.36 and 11,302,126.83

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Solution

The fourth proportional to 20,469,680.91, 28,247,418.36 and 11,302,126.83 is: 15,596,525.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,469,680.91 : 28,247,418.36 = 11,302,126.83 : x
  2. Step 2: Convert to fraction form
    20,469,680.91/28,247,418.36 = 11,302,126.83/x
  3. Step 3: Cross multiply
    20,469,680.91x = 28,247,418.36 × 11,302,126.83
  4. Step 4: Simplify right side
    20,469,680.91x = 319,255,904,924,790.62
  5. Step 5: Solve for x
    x = 319,255,904,924,790.62/20,469,680.91
  6. Step 6: Final answer
    x = 15,596,525.73

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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.