Home / 14,286,067.20-19,714,932.09-8,407,000.80

Finding the Fourth Proportional to 14,286,067.20, 19,714,932.09 and 8,407,000.80

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Solution

The fourth proportional to 14,286,067.20, 19,714,932.09 and 8,407,000.80 is: 11,601,754.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,286,067.20 : 19,714,932.09 = 8,407,000.80 : x
  2. Step 2: Convert to fraction form
    14,286,067.20/19,714,932.09 = 8,407,000.80/x
  3. Step 3: Cross multiply
    14,286,067.20x = 19,714,932.09 × 8,407,000.80
  4. Step 4: Simplify right side
    14,286,067.20x = 165,743,449,852,575.69
  5. Step 5: Solve for x
    x = 165,743,449,852,575.69/14,286,067.20
  6. Step 6: Final answer
    x = 11,601,754.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.