Home / 20,954,787.26-31,452,452.09-15,124,983.44

Finding the Fourth Proportional to 20,954,787.26, 31,452,452.09 and 15,124,983.44

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Solution

The fourth proportional to 20,954,787.26, 31,452,452.09 and 15,124,983.44 is: 22,702,106.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,954,787.26 : 31,452,452.09 = 15,124,983.44 : x
  2. Step 2: Convert to fraction form
    20,954,787.26/31,452,452.09 = 15,124,983.44/x
  3. Step 3: Cross multiply
    20,954,787.26x = 31,452,452.09 × 15,124,983.44
  4. Step 4: Simplify right side
    20,954,787.26x = 475,717,816,933,018.50
  5. Step 5: Solve for x
    x = 475,717,816,933,018.50/20,954,787.26
  6. Step 6: Final answer
    x = 22,702,106.73

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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.