Home / 28,940,266.40-43,416,620.40-8,747,549.60

Finding the Fourth Proportional to 28,940,266.40, 43,416,620.40 and 8,747,549.60

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Solution

The fourth proportional to 28,940,266.40, 43,416,620.40 and 8,747,549.60 is: 13,123,204.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,940,266.40 : 43,416,620.40 = 8,747,549.60 : x
  2. Step 2: Convert to fraction form
    28,940,266.40/43,416,620.40 = 8,747,549.60/x
  3. Step 3: Cross multiply
    28,940,266.40x = 43,416,620.40 × 8,747,549.60
  4. Step 4: Simplify right side
    28,940,266.40x = 379,789,040,413,371.81
  5. Step 5: Solve for x
    x = 379,789,040,413,371.81/28,940,266.40
  6. Step 6: Final answer
    x = 13,123,204.71

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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.