Home / 20,959,872.88-28,924,420.44-11,667,295.60

Finding the Fourth Proportional to 20,959,872.88, 28,924,420.44 and 11,667,295.60

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Solution

The fourth proportional to 20,959,872.88, 28,924,420.44 and 11,667,295.60 is: 16,100,754.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,959,872.88 : 28,924,420.44 = 11,667,295.60 : x
  2. Step 2: Convert to fraction form
    20,959,872.88/28,924,420.44 = 11,667,295.60/x
  3. Step 3: Cross multiply
    20,959,872.88x = 28,924,420.44 × 11,667,295.60
  4. Step 4: Simplify right side
    20,959,872.88x = 337,469,763,332,162.06
  5. Step 5: Solve for x
    x = 337,469,763,332,162.06/20,959,872.88
  6. Step 6: Final answer
    x = 16,100,754.30

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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.