Home / 13,083,755.25-18,055,583.06-7,282,412.54

Finding the Fourth Proportional to 13,083,755.25, 18,055,583.06 and 7,282,412.54

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Solution

The fourth proportional to 13,083,755.25, 18,055,583.06 and 7,282,412.54 is: 10,049,729.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,083,755.25 : 18,055,583.06 = 7,282,412.54 : x
  2. Step 2: Convert to fraction form
    13,083,755.25/18,055,583.06 = 7,282,412.54/x
  3. Step 3: Cross multiply
    13,083,755.25x = 18,055,583.06 × 7,282,412.54
  4. Step 4: Simplify right side
    13,083,755.25x = 131,488,204,493,155.56
  5. Step 5: Solve for x
    x = 131,488,204,493,155.56/13,083,755.25
  6. Step 6: Final answer
    x = 10,049,729.76

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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.