Home / 9,571,942.20-13,209,321.60-5,221,121.88

Finding the Fourth Proportional to 9,571,942.20, 13,209,321.60 and 5,221,121.88

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Solution

The fourth proportional to 9,571,942.20, 13,209,321.60 and 5,221,121.88 is: 7,205,170.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,571,942.20 : 13,209,321.60 = 5,221,121.88 : x
  2. Step 2: Convert to fraction form
    9,571,942.20/13,209,321.60 = 5,221,121.88/x
  3. Step 3: Cross multiply
    9,571,942.20x = 13,209,321.60 × 5,221,121.88
  4. Step 4: Simplify right side
    9,571,942.20x = 68,967,478,025,716.60
  5. Step 5: Solve for x
    x = 68,967,478,025,716.60/9,571,942.20
  6. Step 6: Final answer
    x = 7,205,170.76

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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.