Home / 12,375,102.30-17,080,780.41-8,456,444.88

Finding the Fourth Proportional to 12,375,102.30, 17,080,780.41 and 8,456,444.88

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Solution

The fourth proportional to 12,375,102.30, 17,080,780.41 and 8,456,444.88 is: 11,672,039.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,375,102.30 : 17,080,780.41 = 8,456,444.88 : x
  2. Step 2: Convert to fraction form
    12,375,102.30/17,080,780.41 = 8,456,444.88/x
  3. Step 3: Cross multiply
    12,375,102.30x = 17,080,780.41 × 8,456,444.88
  4. Step 4: Simplify right side
    12,375,102.30x = 144,442,678,044,548.81
  5. Step 5: Solve for x
    x = 144,442,678,044,548.81/12,375,102.30
  6. Step 6: Final answer
    x = 11,672,039.11

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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.