Home / 21,722,996.28-29,977,754.54-11,934,074.60

Finding the Fourth Proportional to 21,722,996.28, 29,977,754.54 and 11,934,074.60

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Solution

The fourth proportional to 21,722,996.28, 29,977,754.54 and 11,934,074.60 is: 16,469,033.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,722,996.28 : 29,977,754.54 = 11,934,074.60 : x
  2. Step 2: Convert to fraction form
    21,722,996.28/29,977,754.54 = 11,934,074.60/x
  3. Step 3: Cross multiply
    21,722,996.28x = 29,977,754.54 × 11,934,074.60
  4. Step 4: Simplify right side
    21,722,996.28x = 357,756,758,811,289.56
  5. Step 5: Solve for x
    x = 357,756,758,811,289.56/21,722,996.28
  6. Step 6: Final answer
    x = 16,469,033.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.