Home / 20,229,843.90-30,344,765.85-20,103,872.70

Finding the Fourth Proportional to 20,229,843.90, 30,344,765.85 and 20,103,872.70

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Solution

The fourth proportional to 20,229,843.90, 30,344,765.85 and 20,103,872.70 is: 30,155,809.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229,843.90 : 30,344,765.85 = 20,103,872.70 : x
  2. Step 2: Convert to fraction form
    20,229,843.90/30,344,765.85 = 20,103,872.70/x
  3. Step 3: Cross multiply
    20,229,843.90x = 30,344,765.85 × 20,103,872.70
  4. Step 4: Simplify right side
    20,229,843.90x = 610,047,309,759,707.25
  5. Step 5: Solve for x
    x = 610,047,309,759,707.25/20,229,843.90
  6. Step 6: Final answer
    x = 30,155,809.05

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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.