Home / 26,209,861.20-39,314,791.80-18,557,110.80

Finding the Fourth Proportional to 26,209,861.20, 39,314,791.80 and 18,557,110.80

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Solution

The fourth proportional to 26,209,861.20, 39,314,791.80 and 18,557,110.80 is: 27,835,666.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,209,861.20 : 39,314,791.80 = 18,557,110.80 : x
  2. Step 2: Convert to fraction form
    26,209,861.20/39,314,791.80 = 18,557,110.80/x
  3. Step 3: Cross multiply
    26,209,861.20x = 39,314,791.80 × 18,557,110.80
  4. Step 4: Simplify right side
    26,209,861.20x = 729,568,947,511,531.38
  5. Step 5: Solve for x
    x = 729,568,947,511,531.38/26,209,861.20
  6. Step 6: Final answer
    x = 27,835,666.20

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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.