Home / 8,178,413.60-12,268,203.60-2,498,628.80

Finding the Fourth Proportional to 8,178,413.60, 12,268,203.60 and 2,498,628.80

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Solution

The fourth proportional to 8,178,413.60, 12,268,203.60 and 2,498,628.80 is: 3,748,121.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178,413.60 : 12,268,203.60 = 2,498,628.80 : x
  2. Step 2: Convert to fraction form
    8,178,413.60/12,268,203.60 = 2,498,628.80/x
  3. Step 3: Cross multiply
    8,178,413.60x = 12,268,203.60 × 2,498,628.80
  4. Step 4: Simplify right side
    8,178,413.60x = 30,653,686,839,223.68
  5. Step 5: Solve for x
    x = 30,653,686,839,223.68/8,178,413.60
  6. Step 6: Final answer
    x = 3,748,121.38

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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.