Home / 20,469,714.01-28,248,341.89-11,177,348.60

Finding the Fourth Proportional to 20,469,714.01, 28,248,341.89 and 11,177,348.60

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Solution

The fourth proportional to 20,469,714.01, 28,248,341.89 and 11,177,348.60 is: 15,424,815.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,469,714.01 : 28,248,341.89 = 11,177,348.60 : x
  2. Step 2: Convert to fraction form
    20,469,714.01/28,248,341.89 = 11,177,348.60/x
  3. Step 3: Cross multiply
    20,469,714.01x = 28,248,341.89 × 11,177,348.60
  4. Step 4: Simplify right side
    20,469,714.01x = 315,741,564,580,833.31
  5. Step 5: Solve for x
    x = 315,741,564,580,833.31/20,469,714.01
  6. Step 6: Final answer
    x = 15,424,815.63

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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.