Home / 7,990,408.82-11,994,142.53-3,443,701.43

Finding the Fourth Proportional to 7,990,408.82, 11,994,142.53 and 3,443,701.43

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Solution

The fourth proportional to 7,990,408.82, 11,994,142.53 and 3,443,701.43 is: 5,169,228.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990,408.82 : 11,994,142.53 = 3,443,701.43 : x
  2. Step 2: Convert to fraction form
    7,990,408.82/11,994,142.53 = 3,443,701.43/x
  3. Step 3: Cross multiply
    7,990,408.82x = 11,994,142.53 × 3,443,701.43
  4. Step 4: Simplify right side
    7,990,408.82x = 41,304,245,825,084.05
  5. Step 5: Solve for x
    x = 41,304,245,825,084.05/7,990,408.82
  6. Step 6: Final answer
    x = 5,169,228.10

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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.