Home / 19,451,209.68-29,150,734.20-15,138,467.28

Finding the Fourth Proportional to 19,451,209.68, 29,150,734.20 and 15,138,467.28

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Solution

The fourth proportional to 19,451,209.68, 29,150,734.20 and 15,138,467.28 is: 22,687,403.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,451,209.68 : 29,150,734.20 = 15,138,467.28 : x
  2. Step 2: Convert to fraction form
    19,451,209.68/29,150,734.20 = 15,138,467.28/x
  3. Step 3: Cross multiply
    19,451,209.68x = 29,150,734.20 × 15,138,467.28
  4. Step 4: Simplify right side
    19,451,209.68x = 441,297,435,874,676.94
  5. Step 5: Solve for x
    x = 441,297,435,874,676.94/19,451,209.68
  6. Step 6: Final answer
    x = 22,687,403.16

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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.