Home / 6,661,135.89-9,992,067.08-2,111,855.58

Finding the Fourth Proportional to 6,661,135.89, 9,992,067.08 and 2,111,855.58

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Solution

The fourth proportional to 6,661,135.89, 9,992,067.08 and 2,111,855.58 is: 3,167,898.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,661,135.89 : 9,992,067.08 = 2,111,855.58 : x
  2. Step 2: Convert to fraction form
    6,661,135.89/9,992,067.08 = 2,111,855.58/x
  3. Step 3: Cross multiply
    6,661,135.89x = 9,992,067.08 × 2,111,855.58
  4. Step 4: Simplify right side
    6,661,135.89x = 21,101,802,608,073.03
  5. Step 5: Solve for x
    x = 21,101,802,608,073.03/6,661,135.89
  6. Step 6: Final answer
    x = 3,167,898.53

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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.