Home / 8,321,348.32-12,480,747.60-2,640,836.32

Finding the Fourth Proportional to 8,321,348.32, 12,480,747.60 and 2,640,836.32

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Solution

The fourth proportional to 8,321,348.32, 12,480,747.60 and 2,640,836.32 is: 3,960,849.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,321,348.32 : 12,480,747.60 = 2,640,836.32 : x
  2. Step 2: Convert to fraction form
    8,321,348.32/12,480,747.60 = 2,640,836.32/x
  3. Step 3: Cross multiply
    8,321,348.32x = 12,480,747.60 × 2,640,836.32
  4. Step 4: Simplify right side
    8,321,348.32x = 32,959,611,562,832.83
  5. Step 5: Solve for x
    x = 32,959,611,562,832.83/8,321,348.32
  6. Step 6: Final answer
    x = 3,960,849.89

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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.