Home / 21,491,771.90-32,237,657.85-20,231,023.10

Finding the Fourth Proportional to 21,491,771.90, 32,237,657.85 and 20,231,023.10

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Solution

The fourth proportional to 21,491,771.90, 32,237,657.85 and 20,231,023.10 is: 30,346,534.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,491,771.90 : 32,237,657.85 = 20,231,023.10 : x
  2. Step 2: Convert to fraction form
    21,491,771.90/32,237,657.85 = 20,231,023.10/x
  3. Step 3: Cross multiply
    21,491,771.90x = 32,237,657.85 × 20,231,023.10
  4. Step 4: Simplify right side
    21,491,771.90x = 652,200,800,653,246.38
  5. Step 5: Solve for x
    x = 652,200,800,653,246.38/21,491,771.90
  6. Step 6: Final answer
    x = 30,346,534.65

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1.5x scale

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.