Home / 14,568,129.60-21,865,413.60-7,384,660.80

Finding the Fourth Proportional to 14,568,129.60, 21,865,413.60 and 7,384,660.80

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Solution

The fourth proportional to 14,568,129.60, 21,865,413.60 and 7,384,660.80 is: 11,083,692.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,568,129.60 : 21,865,413.60 = 7,384,660.80 : x
  2. Step 2: Convert to fraction form
    14,568,129.60/21,865,413.60 = 7,384,660.80/x
  3. Step 3: Cross multiply
    14,568,129.60x = 21,865,413.60 × 7,384,660.80
  4. Step 4: Simplify right side
    14,568,129.60x = 161,468,662,687,706.88
  5. Step 5: Solve for x
    x = 161,468,662,687,706.88/14,568,129.60
  6. Step 6: Final answer
    x = 11,083,692.08

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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.