Home / 11,897,198.78-16,418,232.72-6,464,690.78

Finding the Fourth Proportional to 11,897,198.78, 16,418,232.72 and 6,464,690.78

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Solution

The fourth proportional to 11,897,198.78, 16,418,232.72 and 6,464,690.78 is: 8,921,326.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,897,198.78 : 16,418,232.72 = 6,464,690.78 : x
  2. Step 2: Convert to fraction form
    11,897,198.78/16,418,232.72 = 6,464,690.78/x
  3. Step 3: Cross multiply
    11,897,198.78x = 16,418,232.72 × 6,464,690.78
  4. Step 4: Simplify right side
    11,897,198.78x = 106,138,797,688,878.33
  5. Step 5: Solve for x
    x = 106,138,797,688,878.33/11,897,198.78
  6. Step 6: Final answer
    x = 8,921,326.75

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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.