Home / 12,093,685.78-16,689,285.45-6,661,177.78

Finding the Fourth Proportional to 12,093,685.78, 16,689,285.45 and 6,661,177.78

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Solution

The fourth proportional to 12,093,685.78, 16,689,285.45 and 6,661,177.78 is: 9,192,424.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,093,685.78 : 16,689,285.45 = 6,661,177.78 : x
  2. Step 2: Convert to fraction form
    12,093,685.78/16,689,285.45 = 6,661,177.78/x
  3. Step 3: Cross multiply
    12,093,685.78x = 16,689,285.45 × 6,661,177.78
  4. Step 4: Simplify right side
    12,093,685.78x = 111,170,297,403,617.30
  5. Step 5: Solve for x
    x = 111,170,297,403,617.30/12,093,685.78
  6. Step 6: Final answer
    x = 9,192,424.83

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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.