Home / 20,466,714.30-30,679,404.30-10,215,807.90

Finding the Fourth Proportional to 20,466,714.30, 30,679,404.30 and 10,215,807.90

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Solution

The fourth proportional to 20,466,714.30, 30,679,404.30 and 10,215,807.90 is: 15,313,396.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,466,714.30 : 30,679,404.30 = 10,215,807.90 : x
  2. Step 2: Convert to fraction form
    20,466,714.30/30,679,404.30 = 10,215,807.90/x
  3. Step 3: Cross multiply
    20,466,714.30x = 30,679,404.30 × 10,215,807.90
  4. Step 4: Simplify right side
    20,466,714.30x = 313,414,900,815,234
  5. Step 5: Solve for x
    x = 313,414,900,815,234/20,466,714.30
  6. Step 6: Final answer
    x = 15,313,396.00

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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.