Home / 6,661,136.45-9,992,067.92-2,111,856.14

Finding the Fourth Proportional to 6,661,136.45, 9,992,067.92 and 2,111,856.14

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Solution

The fourth proportional to 6,661,136.45, 9,992,067.92 and 2,111,856.14 is: 3,167,899.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,661,136.45 : 9,992,067.92 = 2,111,856.14 : x
  2. Step 2: Convert to fraction form
    6,661,136.45/9,992,067.92 = 2,111,856.14/x
  3. Step 3: Cross multiply
    6,661,136.45x = 9,992,067.92 × 2,111,856.14
  4. Step 4: Simplify right side
    6,661,136.45x = 21,101,810,010,489.38
  5. Step 5: Solve for x
    x = 21,101,810,010,489.38/6,661,136.45
  6. Step 6: Final answer
    x = 3,167,899.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.