Home / 12,500,445.38-18,844,361.46-11,667,162.50

Finding the Fourth Proportional to 12,500,445.38, 18,844,361.46 and 11,667,162.50

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Solution

The fourth proportional to 12,500,445.38, 18,844,361.46 and 11,667,162.50 is: 17,588,191.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500,445.38 : 18,844,361.46 = 11,667,162.50 : x
  2. Step 2: Convert to fraction form
    12,500,445.38/18,844,361.46 = 11,667,162.50/x
  3. Step 3: Cross multiply
    12,500,445.38x = 18,844,361.46 × 11,667,162.50
  4. Step 4: Simplify right side
    12,500,445.38x = 219,860,227,268,335.44
  5. Step 5: Solve for x
    x = 219,860,227,268,335.44/12,500,445.38
  6. Step 6: Final answer
    x = 17,588,191.51

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.