Home / 21,062,108.70-31,593,163.05-13,881,750.30

Finding the Fourth Proportional to 21,062,108.70, 31,593,163.05 and 13,881,750.30

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Solution

The fourth proportional to 21,062,108.70, 31,593,163.05 and 13,881,750.30 is: 20,822,625.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,062,108.70 : 31,593,163.05 = 13,881,750.30 : x
  2. Step 2: Convert to fraction form
    21,062,108.70/31,593,163.05 = 13,881,750.30/x
  3. Step 3: Cross multiply
    21,062,108.70x = 31,593,163.05 × 13,881,750.30
  4. Step 4: Simplify right side
    21,062,108.70x = 438,568,400,647,286.44
  5. Step 5: Solve for x
    x = 438,568,400,647,286.44/21,062,108.70
  6. Step 6: Final answer
    x = 20,822,625.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.