Home / 20,722,107.20-31,083,234.60-6,345,115.06

Finding the Fourth Proportional to 20,722,107.20, 31,083,234.60 and 6,345,115.06

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Solution

The fourth proportional to 20,722,107.20, 31,083,234.60 and 6,345,115.06 is: 9,517,695.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,722,107.20 : 31,083,234.60 = 6,345,115.06 : x
  2. Step 2: Convert to fraction form
    20,722,107.20/31,083,234.60 = 6,345,115.06/x
  3. Step 3: Cross multiply
    20,722,107.20x = 31,083,234.60 × 6,345,115.06
  4. Step 4: Simplify right side
    20,722,107.20x = 197,226,699,973,973.06
  5. Step 5: Solve for x
    x = 197,226,699,973,973.06/20,722,107.20
  6. Step 6: Final answer
    x = 9,517,695.19

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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.