Home / 8,380,052.40-12,563,934.60-3,328,865.20

Finding the Fourth Proportional to 8,380,052.40, 12,563,934.60 and 3,328,865.20

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Solution

The fourth proportional to 8,380,052.40, 12,563,934.60 and 3,328,865.20 is: 4,990,857.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380,052.40 : 12,563,934.60 = 3,328,865.20 : x
  2. Step 2: Convert to fraction form
    8,380,052.40/12,563,934.60 = 3,328,865.20/x
  3. Step 3: Cross multiply
    8,380,052.40x = 12,563,934.60 × 3,328,865.20
  4. Step 4: Simplify right side
    8,380,052.40x = 41,823,644,665,015.92
  5. Step 5: Solve for x
    x = 41,823,644,665,015.92/8,380,052.40
  6. Step 6: Final answer
    x = 4,990,857.18

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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.