Home / 11,278,429.35-15,561,564.12-6,383,650.79

Finding the Fourth Proportional to 11,278,429.35, 15,561,564.12 and 6,383,650.79

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Solution

The fourth proportional to 11,278,429.35, 15,561,564.12 and 6,383,650.79 is: 8,807,927.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278,429.35 : 15,561,564.12 = 6,383,650.79 : x
  2. Step 2: Convert to fraction form
    11,278,429.35/15,561,564.12 = 6,383,650.79/x
  3. Step 3: Cross multiply
    11,278,429.35x = 15,561,564.12 × 6,383,650.79
  4. Step 4: Simplify right side
    11,278,429.35x = 99,339,591,010,465.83
  5. Step 5: Solve for x
    x = 99,339,591,010,465.83/11,278,429.35
  6. Step 6: Final answer
    x = 8,807,927.76

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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.