Home / 8,085,687.60-12,128,531.40-3,296,813.70

Finding the Fourth Proportional to 8,085,687.60, 12,128,531.40 and 3,296,813.70

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Solution

The fourth proportional to 8,085,687.60, 12,128,531.40 and 3,296,813.70 is: 4,945,220.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,687.60 : 12,128,531.40 = 3,296,813.70 : x
  2. Step 2: Convert to fraction form
    8,085,687.60/12,128,531.40 = 3,296,813.70/x
  3. Step 3: Cross multiply
    8,085,687.60x = 12,128,531.40 × 3,296,813.70
  4. Step 4: Simplify right side
    8,085,687.60x = 39,985,508,480,400.18
  5. Step 5: Solve for x
    x = 39,985,508,480,400.18/8,085,687.60
  6. Step 6: Final answer
    x = 4,945,220.55

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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.