Home / 20,794,303.10-31,193,539.05-7,145,651.90

Finding the Fourth Proportional to 20,794,303.10, 31,193,539.05 and 7,145,651.90

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Solution

The fourth proportional to 20,794,303.10, 31,193,539.05 and 7,145,651.90 is: 10,719,194.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,794,303.10 : 31,193,539.05 = 7,145,651.90 : x
  2. Step 2: Convert to fraction form
    20,794,303.10/31,193,539.05 = 7,145,651.90/x
  3. Step 3: Cross multiply
    20,794,303.10x = 31,193,539.05 × 7,145,651.90
  4. Step 4: Simplify right side
    20,794,303.10x = 222,898,171,580,356.72
  5. Step 5: Solve for x
    x = 222,898,171,580,356.72/20,794,303.10
  6. Step 6: Final answer
    x = 10,719,194.12

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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.