Home / 13,514,833.76-20,272,081.56-3,279,778.34

Finding the Fourth Proportional to 13,514,833.76, 20,272,081.56 and 3,279,778.34

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Solution

The fourth proportional to 13,514,833.76, 20,272,081.56 and 3,279,778.34 is: 4,919,626.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,514,833.76 : 20,272,081.56 = 3,279,778.34 : x
  2. Step 2: Convert to fraction form
    13,514,833.76/20,272,081.56 = 3,279,778.34/x
  3. Step 3: Cross multiply
    13,514,833.76x = 20,272,081.56 × 3,279,778.34
  4. Step 4: Simplify right side
    13,514,833.76x = 66,487,934,007,201.41
  5. Step 5: Solve for x
    x = 66,487,934,007,201.41/13,514,833.76
  6. Step 6: Final answer
    x = 4,919,626.48

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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.