Home / 8,140,307.25-11,233,939.92-4,469,378.54

Finding the Fourth Proportional to 8,140,307.25, 11,233,939.92 and 4,469,378.54

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Solution

The fourth proportional to 8,140,307.25, 11,233,939.92 and 4,469,378.54 is: 6,167,915.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140,307.25 : 11,233,939.92 = 4,469,378.54 : x
  2. Step 2: Convert to fraction form
    8,140,307.25/11,233,939.92 = 4,469,378.54/x
  3. Step 3: Cross multiply
    8,140,307.25x = 11,233,939.92 × 4,469,378.54
  4. Step 4: Simplify right side
    8,140,307.25x = 50,208,729,975,750.42
  5. Step 5: Solve for x
    x = 50,208,729,975,750.42/8,140,307.25
  6. Step 6: Final answer
    x = 6,167,915.83

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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.