Home / 11,998,403.86-16,557,679.50-6,491,657.89

Finding the Fourth Proportional to 11,998,403.86, 16,557,679.50 and 6,491,657.89

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Solution

The fourth proportional to 11,998,403.86, 16,557,679.50 and 6,491,657.89 is: 8,958,424.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,998,403.86 : 16,557,679.50 = 6,491,657.89 : x
  2. Step 2: Convert to fraction form
    11,998,403.86/16,557,679.50 = 6,491,657.89/x
  3. Step 3: Cross multiply
    11,998,403.86x = 16,557,679.50 × 6,491,657.89
  4. Step 4: Simplify right side
    11,998,403.86x = 107,486,790,766,266.25
  5. Step 5: Solve for x
    x = 107,486,790,766,266.25/11,998,403.86
  6. Step 6: Final answer
    x = 8,958,424.14

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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.