Home / 18,245,966.70-25,179,500.78-9,873,336.54

Finding the Fourth Proportional to 18,245,966.70, 25,179,500.78 and 9,873,336.54

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Solution

The fourth proportional to 18,245,966.70, 25,179,500.78 and 9,873,336.54 is: 13,625,240.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,245,966.70 : 25,179,500.78 = 9,873,336.54 : x
  2. Step 2: Convert to fraction form
    18,245,966.70/25,179,500.78 = 9,873,336.54/x
  3. Step 3: Cross multiply
    18,245,966.70x = 25,179,500.78 × 9,873,336.54
  4. Step 4: Simplify right side
    18,245,966.70x = 248,605,685,060,765.78
  5. Step 5: Solve for x
    x = 248,605,685,060,765.78/18,245,966.70
  6. Step 6: Final answer
    x = 13,625,240.53

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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.