Home / 17,172,080.80-25,758,121.20-12,413,168.80

Finding the Fourth Proportional to 17,172,080.80, 25,758,121.20 and 12,413,168.80

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Solution

The fourth proportional to 17,172,080.80, 25,758,121.20 and 12,413,168.80 is: 18,619,753.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,172,080.80 : 25,758,121.20 = 12,413,168.80 : x
  2. Step 2: Convert to fraction form
    17,172,080.80/25,758,121.20 = 12,413,168.80/x
  3. Step 3: Cross multiply
    17,172,080.80x = 25,758,121.20 × 12,413,168.80
  4. Step 4: Simplify right side
    17,172,080.80x = 319,739,906,426,458.56
  5. Step 5: Solve for x
    x = 319,739,906,426,458.56/17,172,080.80
  6. Step 6: Final answer
    x = 18,619,753.20

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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.