Home / 20,647,042.20-30,970,563.30-11,081,104.20

Finding the Fourth Proportional to 20,647,042.20, 30,970,563.30 and 11,081,104.20

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Solution

The fourth proportional to 20,647,042.20, 30,970,563.30 and 11,081,104.20 is: 16,621,656.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,647,042.20 : 30,970,563.30 = 11,081,104.20 : x
  2. Step 2: Convert to fraction form
    20,647,042.20/30,970,563.30 = 11,081,104.20/x
  3. Step 3: Cross multiply
    20,647,042.20x = 30,970,563.30 × 11,081,104.20
  4. Step 4: Simplify right side
    20,647,042.20x = 343,188,039,059,995.88
  5. Step 5: Solve for x
    x = 343,188,039,059,995.88/20,647,042.20
  6. Step 6: Final answer
    x = 16,621,656.30

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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.