Home / 8,394,413.40-12,591,620.10-3,003,239.70

Finding the Fourth Proportional to 8,394,413.40, 12,591,620.10 and 3,003,239.70

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Solution

The fourth proportional to 8,394,413.40, 12,591,620.10 and 3,003,239.70 is: 4,504,859.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,394,413.40 : 12,591,620.10 = 3,003,239.70 : x
  2. Step 2: Convert to fraction form
    8,394,413.40/12,591,620.10 = 3,003,239.70/x
  3. Step 3: Cross multiply
    8,394,413.40x = 12,591,620.10 × 3,003,239.70
  4. Step 4: Simplify right side
    8,394,413.40x = 37,815,653,371,637.97
  5. Step 5: Solve for x
    x = 37,815,653,371,637.97/8,394,413.40
  6. Step 6: Final answer
    x = 4,504,859.55

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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.