Home / 18,494,491.20-27,741,736.80-11,328,129.60

Finding the Fourth Proportional to 18,494,491.20, 27,741,736.80 and 11,328,129.60

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Solution

The fourth proportional to 18,494,491.20, 27,741,736.80 and 11,328,129.60 is: 16,992,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,494,491.20 : 27,741,736.80 = 11,328,129.60 : x
  2. Step 2: Convert to fraction form
    18,494,491.20/27,741,736.80 = 11,328,129.60/x
  3. Step 3: Cross multiply
    18,494,491.20x = 27,741,736.80 × 11,328,129.60
  4. Step 4: Simplify right side
    18,494,491.20x = 314,261,989,799,489.25
  5. Step 5: Solve for x
    x = 314,261,989,799,489.25/18,494,491.20
  6. Step 6: Final answer
    x = 16,992,194.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.