Home / 10,978,665.90-15,151,040.73-6,083,876.94

Finding the Fourth Proportional to 10,978,665.90, 15,151,040.73 and 6,083,876.94

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Solution

The fourth proportional to 10,978,665.90, 15,151,040.73 and 6,083,876.94 is: 8,396,017.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,978,665.90 : 15,151,040.73 = 6,083,876.94 : x
  2. Step 2: Convert to fraction form
    10,978,665.90/15,151,040.73 = 6,083,876.94/x
  3. Step 3: Cross multiply
    10,978,665.90x = 15,151,040.73 × 6,083,876.94
  4. Step 4: Simplify right side
    10,978,665.90x = 92,177,067,314,247.78
  5. Step 5: Solve for x
    x = 92,177,067,314,247.78/10,978,665.90
  6. Step 6: Final answer
    x = 8,396,017.16

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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.