Home / 10,143,833.40-15,217,171.38-3,320,940.60

Finding the Fourth Proportional to 10,143,833.40, 15,217,171.38 and 3,320,940.60

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Solution

The fourth proportional to 10,143,833.40, 15,217,171.38 and 3,320,940.60 is: 4,981,876.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,143,833.40 : 15,217,171.38 = 3,320,940.60 : x
  2. Step 2: Convert to fraction form
    10,143,833.40/15,217,171.38 = 3,320,940.60/x
  3. Step 3: Cross multiply
    10,143,833.40x = 15,217,171.38 × 3,320,940.60
  4. Step 4: Simplify right side
    10,143,833.40x = 50,535,322,253,000.03
  5. Step 5: Solve for x
    x = 50,535,322,253,000.03/10,143,833.40
  6. Step 6: Final answer
    x = 4,981,876.21

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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.