Home / 21,489,972.60-32,234,958.90-19,138,510.20

Finding the Fourth Proportional to 21,489,972.60, 32,234,958.90 and 19,138,510.20

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Solution

The fourth proportional to 21,489,972.60, 32,234,958.90 and 19,138,510.20 is: 28,707,765.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,489,972.60 : 32,234,958.90 = 19,138,510.20 : x
  2. Step 2: Convert to fraction form
    21,489,972.60/32,234,958.90 = 19,138,510.20/x
  3. Step 3: Cross multiply
    21,489,972.60x = 32,234,958.90 × 19,138,510.20
  4. Step 4: Simplify right side
    21,489,972.60x = 616,929,089,704,230.75
  5. Step 5: Solve for x
    x = 616,929,089,704,230.75/21,489,972.60
  6. Step 6: Final answer
    x = 28,707,765.30

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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.