Home / 8,540,286.60-12,794,877.90-4,042,648.20

Finding the Fourth Proportional to 8,540,286.60, 12,794,877.90 and 4,042,648.20

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Solution

The fourth proportional to 8,540,286.60, 12,794,877.90 and 4,042,648.20 is: 6,056,610.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,540,286.60 : 12,794,877.90 = 4,042,648.20 : x
  2. Step 2: Convert to fraction form
    8,540,286.60/12,794,877.90 = 4,042,648.20/x
  3. Step 3: Cross multiply
    8,540,286.60x = 12,794,877.90 × 4,042,648.20
  4. Step 4: Simplify right side
    8,540,286.60x = 51,725,190,111,654.78
  5. Step 5: Solve for x
    x = 51,725,190,111,654.78/8,540,286.60
  6. Step 6: Final answer
    x = 6,056,610.57

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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.