Home / 18,760,520.97-25,905,676.43-11,802,795.73

Finding the Fourth Proportional to 18,760,520.97, 25,905,676.43 and 11,802,795.73

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Solution

The fourth proportional to 18,760,520.97, 25,905,676.43 and 11,802,795.73 is: 16,298,023.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,760,520.97 : 25,905,676.43 = 11,802,795.73 : x
  2. Step 2: Convert to fraction form
    18,760,520.97/25,905,676.43 = 11,802,795.73/x
  3. Step 3: Cross multiply
    18,760,520.97x = 25,905,676.43 × 11,802,795.73
  4. Step 4: Simplify right side
    18,760,520.97x = 305,759,407,115,508.44
  5. Step 5: Solve for x
    x = 305,759,407,115,508.44/18,760,520.97
  6. Step 6: Final answer
    x = 16,298,023.26

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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.