Home / 8,399,163.40-12,589,413.90-4,615,361.80

Finding the Fourth Proportional to 8,399,163.40, 12,589,413.90 and 4,615,361.80

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Solution

The fourth proportional to 8,399,163.40, 12,589,413.90 and 4,615,361.80 is: 6,917,915.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,399,163.40 : 12,589,413.90 = 4,615,361.80 : x
  2. Step 2: Convert to fraction form
    8,399,163.40/12,589,413.90 = 4,615,361.80/x
  3. Step 3: Cross multiply
    8,399,163.40x = 12,589,413.90 × 4,615,361.80
  4. Step 4: Simplify right side
    8,399,163.40x = 58,104,699,998,449.02
  5. Step 5: Solve for x
    x = 58,104,699,998,449.02/8,399,163.40
  6. Step 6: Final answer
    x = 6,917,915.18

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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.