Home / 8,642,770.27-11,892,601.34-8,379,805.39

Finding the Fourth Proportional to 8,642,770.27, 11,892,601.34 and 8,379,805.39

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Solution

The fourth proportional to 8,642,770.27, 11,892,601.34 and 8,379,805.39 is: 11,530,757.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,642,770.27 : 11,892,601.34 = 8,379,805.39 : x
  2. Step 2: Convert to fraction form
    8,642,770.27/11,892,601.34 = 8,379,805.39/x
  3. Step 3: Cross multiply
    8,642,770.27x = 11,892,601.34 × 8,379,805.39
  4. Step 4: Simplify right side
    8,642,770.27x = 99,657,684,769,846.95
  5. Step 5: Solve for x
    x = 99,657,684,769,846.95/8,642,770.27
  6. Step 6: Final answer
    x = 11,530,757.12

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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.