Home / 15,453,464.85-21,325,863.87-9,655,608.78

Finding the Fourth Proportional to 15,453,464.85, 21,325,863.87 and 9,655,608.78

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Solution

The fourth proportional to 15,453,464.85, 21,325,863.87 and 9,655,608.78 is: 13,324,791.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,453,464.85 : 21,325,863.87 = 9,655,608.78 : x
  2. Step 2: Convert to fraction form
    15,453,464.85/21,325,863.87 = 9,655,608.78/x
  3. Step 3: Cross multiply
    15,453,464.85x = 21,325,863.87 × 9,655,608.78
  4. Step 4: Simplify right side
    15,453,464.85x = 205,914,198,424,256.78
  5. Step 5: Solve for x
    x = 205,914,198,424,256.78/15,453,464.85
  6. Step 6: Final answer
    x = 13,324,791.59

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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.