Home / 20,736,005.20-31,104,007.80-17,451,422.80

Finding the Fourth Proportional to 20,736,005.20, 31,104,007.80 and 17,451,422.80

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Solution

The fourth proportional to 20,736,005.20, 31,104,007.80 and 17,451,422.80 is: 26,177,134.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,005.20 : 31,104,007.80 = 17,451,422.80 : x
  2. Step 2: Convert to fraction form
    20,736,005.20/31,104,007.80 = 17,451,422.80/x
  3. Step 3: Cross multiply
    20,736,005.20x = 31,104,007.80 × 17,451,422.80
  4. Step 4: Simplify right side
    20,736,005.20x = 542,809,190,892,297.88
  5. Step 5: Solve for x
    x = 542,809,190,892,297.88/20,736,005.20
  6. Step 6: Final answer
    x = 26,177,134.20

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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.