Home / 20,959,983.52-28,924,572.56-11,667,406.24

Finding the Fourth Proportional to 20,959,983.52, 28,924,572.56 and 11,667,406.24

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Solution

The fourth proportional to 20,959,983.52, 28,924,572.56 and 11,667,406.24 is: 16,100,906.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,959,983.52 : 28,924,572.56 = 11,667,406.24 : x
  2. Step 2: Convert to fraction form
    20,959,983.52/28,924,572.56 = 11,667,406.24/x
  3. Step 3: Cross multiply
    20,959,983.52x = 28,924,572.56 × 11,667,406.24
  4. Step 4: Simplify right side
    20,959,983.52x = 337,474,738,375,876.75
  5. Step 5: Solve for x
    x = 337,474,738,375,876.75/20,959,983.52
  6. Step 6: Final answer
    x = 16,100,906.67

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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.