Home / 11,877,757.89-16,391,350.85-6,445,249.89

Finding the Fourth Proportional to 11,877,757.89, 16,391,350.85 and 6,445,249.89

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Solution

The fourth proportional to 11,877,757.89, 16,391,350.85 and 6,445,249.89 is: 8,894,469.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,877,757.89 : 16,391,350.85 = 6,445,249.89 : x
  2. Step 2: Convert to fraction form
    11,877,757.89/16,391,350.85 = 6,445,249.89/x
  3. Step 3: Cross multiply
    11,877,757.89x = 16,391,350.85 × 6,445,249.89
  4. Step 4: Simplify right side
    11,877,757.89x = 105,646,352,230,687.66
  5. Step 5: Solve for x
    x = 105,646,352,230,687.66/11,877,757.89
  6. Step 6: Final answer
    x = 8,894,469.24

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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.