Home / 17,220,736.46-23,764,617.61-9,485,778.78

Finding the Fourth Proportional to 17,220,736.46, 23,764,617.61 and 9,485,778.78

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Solution

The fourth proportional to 17,220,736.46, 23,764,617.61 and 9,485,778.78 is: 13,090,375.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,220,736.46 : 23,764,617.61 = 9,485,778.78 : x
  2. Step 2: Convert to fraction form
    17,220,736.46/23,764,617.61 = 9,485,778.78/x
  3. Step 3: Cross multiply
    17,220,736.46x = 23,764,617.61 × 9,485,778.78
  4. Step 4: Simplify right side
    17,220,736.46x = 225,425,905,416,037.88
  5. Step 5: Solve for x
    x = 225,425,905,416,037.88/17,220,736.46
  6. Step 6: Final answer
    x = 13,090,375.43

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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.