Home / 12,679,225.20-18,985,244.94-6,682,996.08

Finding the Fourth Proportional to 12,679,225.20, 18,985,244.94 and 6,682,996.08

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Solution

The fourth proportional to 12,679,225.20, 18,985,244.94 and 6,682,996.08 is: 10,006,787.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,679,225.20 : 18,985,244.94 = 6,682,996.08 : x
  2. Step 2: Convert to fraction form
    12,679,225.20/18,985,244.94 = 6,682,996.08/x
  3. Step 3: Cross multiply
    12,679,225.20x = 18,985,244.94 × 6,682,996.08
  4. Step 4: Simplify right side
    12,679,225.20x = 126,878,317,511,859.84
  5. Step 5: Solve for x
    x = 126,878,317,511,859.84/12,679,225.20
  6. Step 6: Final answer
    x = 10,006,787.92

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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.