Home / 18,207,218.40-27,321,325.20-6,855,813.60

Finding the Fourth Proportional to 18,207,218.40, 27,321,325.20 and 6,855,813.60

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Solution

The fourth proportional to 18,207,218.40, 27,321,325.20 and 6,855,813.60 is: 10,287,673.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,207,218.40 : 27,321,325.20 = 6,855,813.60 : x
  2. Step 2: Convert to fraction form
    18,207,218.40/27,321,325.20 = 6,855,813.60/x
  3. Step 3: Cross multiply
    18,207,218.40x = 27,321,325.20 × 6,855,813.60
  4. Step 4: Simplify right side
    18,207,218.40x = 187,309,912,876,182.72
  5. Step 5: Solve for x
    x = 187,309,912,876,182.72/18,207,218.40
  6. Step 6: Final answer
    x = 10,287,673.21

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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.