Home / 8,085,342.60-12,128,013.90-3,296,468.70

Finding the Fourth Proportional to 8,085,342.60, 12,128,013.90 and 3,296,468.70

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Solution

The fourth proportional to 8,085,342.60, 12,128,013.90 and 3,296,468.70 is: 4,944,703.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,085,342.60 : 12,128,013.90 = 3,296,468.70 : x
  2. Step 2: Convert to fraction form
    8,085,342.60/12,128,013.90 = 3,296,468.70/x
  3. Step 3: Cross multiply
    8,085,342.60x = 12,128,013.90 × 3,296,468.70
  4. Step 4: Simplify right side
    8,085,342.60x = 39,979,618,214,514.93
  5. Step 5: Solve for x
    x = 39,979,618,214,514.93/8,085,342.60
  6. Step 6: Final answer
    x = 4,944,703.05

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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.