Home / 20,493,380.88-30,738,963.24-10,395,739.44

Finding the Fourth Proportional to 20,493,380.88, 30,738,963.24 and 10,395,739.44

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Solution

The fourth proportional to 20,493,380.88, 30,738,963.24 and 10,395,739.44 is: 15,593,047.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,493,380.88 : 30,738,963.24 = 10,395,739.44 : x
  2. Step 2: Convert to fraction form
    20,493,380.88/30,738,963.24 = 10,395,739.44/x
  3. Step 3: Cross multiply
    20,493,380.88x = 30,738,963.24 × 10,395,739.44
  4. Step 4: Simplify right side
    20,493,380.88x = 319,554,252,498,778.12
  5. Step 5: Solve for x
    x = 319,554,252,498,778.12/20,493,380.88
  6. Step 6: Final answer
    x = 15,593,047.06

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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.