Home / 18,191,861.20-27,287,791.80-16,876,544.73

Finding the Fourth Proportional to 18,191,861.20, 27,287,791.80 and 16,876,544.73

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Solution

The fourth proportional to 18,191,861.20, 27,287,791.80 and 16,876,544.73 is: 25,314,817.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,191,861.20 : 27,287,791.80 = 16,876,544.73 : x
  2. Step 2: Convert to fraction form
    18,191,861.20/27,287,791.80 = 16,876,544.73/x
  3. Step 3: Cross multiply
    18,191,861.20x = 27,287,791.80 × 16,876,544.73
  4. Step 4: Simplify right side
    18,191,861.20x = 460,523,638,895,627.25
  5. Step 5: Solve for x
    x = 460,523,638,895,627.25/18,191,861.20
  6. Step 6: Final answer
    x = 25,314,817.10

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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.