Home / 7,224,378.11-9,969,738.25-3,961,184.57

Finding the Fourth Proportional to 7,224,378.11, 9,969,738.25 and 3,961,184.57

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Solution

The fourth proportional to 7,224,378.11, 9,969,738.25 and 3,961,184.57 is: 5,466,487.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,224,378.11 : 9,969,738.25 = 3,961,184.57 : x
  2. Step 2: Convert to fraction form
    7,224,378.11/9,969,738.25 = 3,961,184.57/x
  3. Step 3: Cross multiply
    7,224,378.11x = 9,969,738.25 × 3,961,184.57
  4. Step 4: Simplify right side
    7,224,378.11x = 39,491,973,322,838.80
  5. Step 5: Solve for x
    x = 39,491,973,322,838.80/7,224,378.11
  6. Step 6: Final answer
    x = 5,466,487.60

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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.