Home / 20,898,022.20-31,347,033.30-15,796,188.60

Finding the Fourth Proportional to 20,898,022.20, 31,347,033.30 and 15,796,188.60

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Solution

The fourth proportional to 20,898,022.20, 31,347,033.30 and 15,796,188.60 is: 23,694,282.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,898,022.20 : 31,347,033.30 = 15,796,188.60 : x
  2. Step 2: Convert to fraction form
    20,898,022.20/31,347,033.30 = 15,796,188.60/x
  3. Step 3: Cross multiply
    20,898,022.20x = 31,347,033.30 × 15,796,188.60
  4. Step 4: Simplify right side
    20,898,022.20x = 495,163,650,057,280.38
  5. Step 5: Solve for x
    x = 495,163,650,057,280.38/20,898,022.20
  6. Step 6: Final answer
    x = 23,694,282.90

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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.