Home / 8,296,906.60-12,445,359.90-6,879,730.60

Finding the Fourth Proportional to 8,296,906.60, 12,445,359.90 and 6,879,730.60

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Solution

The fourth proportional to 8,296,906.60, 12,445,359.90 and 6,879,730.60 is: 10,319,595.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,296,906.60 : 12,445,359.90 = 6,879,730.60 : x
  2. Step 2: Convert to fraction form
    8,296,906.60/12,445,359.90 = 6,879,730.60/x
  3. Step 3: Cross multiply
    8,296,906.60x = 12,445,359.90 × 6,879,730.60
  4. Step 4: Simplify right side
    8,296,906.60x = 85,620,723,332,042.94
  5. Step 5: Solve for x
    x = 85,620,723,332,042.94/8,296,906.60
  6. Step 6: Final answer
    x = 10,319,595.90

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Similar ratio
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1.5x scale

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.