Home / 8,085,268.40-12,127,902.60-3,290,489.60

Finding the Fourth Proportional to 8,085,268.40, 12,127,902.60 and 3,290,489.60

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Solution

The fourth proportional to 8,085,268.40, 12,127,902.60 and 3,290,489.60 is: 4,935,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,268.40 : 12,127,902.60 = 3,290,489.60 : x
  2. Step 2: Convert to fraction form
    8,085,268.40/12,127,902.60 = 3,290,489.60/x
  3. Step 3: Cross multiply
    8,085,268.40x = 12,127,902.60 × 3,290,489.60
  4. Step 4: Simplify right side
    8,085,268.40x = 39,906,737,375,112.96
  5. Step 5: Solve for x
    x = 39,906,737,375,112.96/8,085,268.40
  6. Step 6: Final answer
    x = 4,935,734.40

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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.