Home / 21,837,679.38-32,729,954.31-15,449,773.14

Finding the Fourth Proportional to 21,837,679.38, 32,729,954.31 and 15,449,773.14

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Solution

The fourth proportional to 21,837,679.38, 32,729,954.31 and 15,449,773.14 is: 23,155,865.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,837,679.38 : 32,729,954.31 = 15,449,773.14 : x
  2. Step 2: Convert to fraction form
    21,837,679.38/32,729,954.31 = 15,449,773.14/x
  3. Step 3: Cross multiply
    21,837,679.38x = 32,729,954.31 × 15,449,773.14
  4. Step 4: Simplify right side
    21,837,679.38x = 505,670,368,972,065.25
  5. Step 5: Solve for x
    x = 505,670,368,972,065.25/21,837,679.38
  6. Step 6: Final answer
    x = 23,155,865.61

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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.