Home / 8,297,385.60-12,446,078.40-7,793,500.80

Finding the Fourth Proportional to 8,297,385.60, 12,446,078.40 and 7,793,500.80

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Solution

The fourth proportional to 8,297,385.60, 12,446,078.40 and 7,793,500.80 is: 11,690,251.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,297,385.60 : 12,446,078.40 = 7,793,500.80 : x
  2. Step 2: Convert to fraction form
    8,297,385.60/12,446,078.40 = 7,793,500.80/x
  3. Step 3: Cross multiply
    8,297,385.60x = 12,446,078.40 × 7,793,500.80
  4. Step 4: Simplify right side
    8,297,385.60x = 96,998,521,967,262.72
  5. Step 5: Solve for x
    x = 96,998,521,967,262.72/8,297,385.60
  6. Step 6: Final answer
    x = 11,690,251.20

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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.