Home / 8,085,381.60-12,128,072.40-3,296,507.70

Finding the Fourth Proportional to 8,085,381.60, 12,128,072.40 and 3,296,507.70

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Solution

The fourth proportional to 8,085,381.60, 12,128,072.40 and 3,296,507.70 is: 4,944,761.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,381.60 : 12,128,072.40 = 3,296,507.70 : x
  2. Step 2: Convert to fraction form
    8,085,381.60/12,128,072.40 = 3,296,507.70/x
  3. Step 3: Cross multiply
    8,085,381.60x = 12,128,072.40 × 3,296,507.70
  4. Step 4: Simplify right side
    8,085,381.60x = 39,980,284,052,757.48
  5. Step 5: Solve for x
    x = 39,980,284,052,757.48/8,085,381.60
  6. Step 6: Final answer
    x = 4,944,761.55

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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.