Home / 21,950,788.62-32,919,207.75-20,517,891.60

Finding the Fourth Proportional to 21,950,788.62, 32,919,207.75 and 20,517,891.60

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Solution

The fourth proportional to 21,950,788.62, 32,919,207.75 and 20,517,891.60 is: 30,770,317.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,950,788.62 : 32,919,207.75 = 20,517,891.60 : x
  2. Step 2: Convert to fraction form
    21,950,788.62/32,919,207.75 = 20,517,891.60/x
  3. Step 3: Cross multiply
    21,950,788.62x = 32,919,207.75 × 20,517,891.60
  4. Step 4: Simplify right side
    21,950,788.62x = 675,432,736,172,380
  5. Step 5: Solve for x
    x = 675,432,736,172,380/21,950,788.62
  6. Step 6: Final answer
    x = 30,770,317.54

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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.