Home / 11,543,910-15,930,543.96-6,647,345.52

Finding the Fourth Proportional to 11,543,910, 15,930,543.96 and 6,647,345.52

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Solution

The fourth proportional to 11,543,910, 15,930,543.96 and 6,647,345.52 is: 9,173,306.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,543,910 : 15,930,543.96 = 6,647,345.52 : x
  2. Step 2: Convert to fraction form
    11,543,910/15,930,543.96 = 6,647,345.52/x
  3. Step 3: Cross multiply
    11,543,910x = 15,930,543.96 × 6,647,345.52
  4. Step 4: Simplify right side
    11,543,910x = 105,895,830,023,669.06
  5. Step 5: Solve for x
    x = 105,895,830,023,669.06/11,543,910
  6. Step 6: Final answer
    x = 9,173,306.97

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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.