Home / 20,705,000.90-31,057,501.35-5,560,463.30

Finding the Fourth Proportional to 20,705,000.90, 31,057,501.35 and 5,560,463.30

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Solution

The fourth proportional to 20,705,000.90, 31,057,501.35 and 5,560,463.30 is: 8,340,694.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,705,000.90 : 31,057,501.35 = 5,560,463.30 : x
  2. Step 2: Convert to fraction form
    20,705,000.90/31,057,501.35 = 5,560,463.30/x
  3. Step 3: Cross multiply
    20,705,000.90x = 31,057,501.35 × 5,560,463.30
  4. Step 4: Simplify right side
    20,705,000.90x = 172,694,096,446,375.47
  5. Step 5: Solve for x
    x = 172,694,096,446,375.47/20,705,000.90
  6. Step 6: Final answer
    x = 8,340,694.95

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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.