Home / 12,511,994.20-18,744,371.70-6,426,010.60

Finding the Fourth Proportional to 12,511,994.20, 18,744,371.70 and 6,426,010.60

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Solution

The fourth proportional to 12,511,994.20, 18,744,371.70 and 6,426,010.60 is: 9,626,885.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,511,994.20 : 18,744,371.70 = 6,426,010.60 : x
  2. Step 2: Convert to fraction form
    12,511,994.20/18,744,371.70 = 6,426,010.60/x
  3. Step 3: Cross multiply
    12,511,994.20x = 18,744,371.70 × 6,426,010.60
  4. Step 4: Simplify right side
    12,511,994.20x = 120,451,531,234,540.02
  5. Step 5: Solve for x
    x = 120,451,531,234,540.02/12,511,994.20
  6. Step 6: Final answer
    x = 9,626,885.16

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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.