Home / 20,706,439.38-31,059,735.39-6,329,451.30

Finding the Fourth Proportional to 20,706,439.38, 31,059,735.39 and 6,329,451.30

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Solution

The fourth proportional to 20,706,439.38, 31,059,735.39 and 6,329,451.30 is: 9,494,200.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,706,439.38 : 31,059,735.39 = 6,329,451.30 : x
  2. Step 2: Convert to fraction form
    20,706,439.38/31,059,735.39 = 6,329,451.30/x
  3. Step 3: Cross multiply
    20,706,439.38x = 31,059,735.39 × 6,329,451.30
  4. Step 4: Simplify right side
    20,706,439.38x = 196,591,082,541,891.50
  5. Step 5: Solve for x
    x = 196,591,082,541,891.50/20,706,439.38
  6. Step 6: Final answer
    x = 9,494,200.28

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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.