Home / 20,723,253.20-31,084,879.80-17,364,021.20

Finding the Fourth Proportional to 20,723,253.20, 31,084,879.80 and 17,364,021.20

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Solution

The fourth proportional to 20,723,253.20, 31,084,879.80 and 17,364,021.20 is: 26,046,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,723,253.20 : 31,084,879.80 = 17,364,021.20 : x
  2. Step 2: Convert to fraction form
    20,723,253.20/31,084,879.80 = 17,364,021.20/x
  3. Step 3: Cross multiply
    20,723,253.20x = 31,084,879.80 × 17,364,021.20
  4. Step 4: Simplify right side
    20,723,253.20x = 539,758,511,846,651.75
  5. Step 5: Solve for x
    x = 539,758,511,846,651.75/20,723,253.20
  6. Step 6: Final answer
    x = 26,046,031.80

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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.