Home / 8,496,789.60-12,743,413.20-3,107,978.40

Finding the Fourth Proportional to 8,496,789.60, 12,743,413.20 and 3,107,978.40

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Solution

The fourth proportional to 8,496,789.60, 12,743,413.20 and 3,107,978.40 is: 4,661,319.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,496,789.60 : 12,743,413.20 = 3,107,978.40 : x
  2. Step 2: Convert to fraction form
    8,496,789.60/12,743,413.20 = 3,107,978.40/x
  3. Step 3: Cross multiply
    8,496,789.60x = 12,743,413.20 × 3,107,978.40
  4. Step 4: Simplify right side
    8,496,789.60x = 39,606,252,967,874.88
  5. Step 5: Solve for x
    x = 39,606,252,967,874.88/8,496,789.60
  6. Step 6: Final answer
    x = 4,661,319.73

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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.