Home / 13,542,780.62-20,309,447-5,965,612.94

Finding the Fourth Proportional to 13,542,780.62, 20,309,447 and 5,965,612.94

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Solution

The fourth proportional to 13,542,780.62, 20,309,447 and 5,965,612.94 is: 8,946,338.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,542,780.62 : 20,309,447 = 5,965,612.94 : x
  2. Step 2: Convert to fraction form
    13,542,780.62/20,309,447 = 5,965,612.94/x
  3. Step 3: Cross multiply
    13,542,780.62x = 20,309,447 × 5,965,612.94
  4. Step 4: Simplify right side
    13,542,780.62x = 121,158,299,725,896.94
  5. Step 5: Solve for x
    x = 121,158,299,725,896.94/13,542,780.62
  6. Step 6: Final answer
    x = 8,946,338.51

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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.