Home / 11,306,805.72-15,606,163.26-6,414,891.33

Finding the Fourth Proportional to 11,306,805.72, 15,606,163.26 and 6,414,891.33

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Solution

The fourth proportional to 11,306,805.72, 15,606,163.26 and 6,414,891.33 is: 8,854,122.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,306,805.72 : 15,606,163.26 = 6,414,891.33 : x
  2. Step 2: Convert to fraction form
    11,306,805.72/15,606,163.26 = 6,414,891.33/x
  3. Step 3: Cross multiply
    11,306,805.72x = 15,606,163.26 × 6,414,891.33
  4. Step 4: Simplify right side
    11,306,805.72x = 100,111,841,391,138.53
  5. Step 5: Solve for x
    x = 100,111,841,391,138.53/11,306,805.72
  6. Step 6: Final answer
    x = 8,854,122.36

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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.