Home / 52,025,750.78-71,792,169.12-28,504,255.28

Finding the Fourth Proportional to 52,025,750.78, 71,792,169.12 and 28,504,255.28

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Solution

The fourth proportional to 52,025,750.78, 71,792,169.12 and 28,504,255.28 is: 39,334,027.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,025,750.78 : 71,792,169.12 = 28,504,255.28 : x
  2. Step 2: Convert to fraction form
    52,025,750.78/71,792,169.12 = 28,504,255.28/x
  3. Step 3: Cross multiply
    52,025,750.78x = 71,792,169.12 × 28,504,255.28
  4. Step 4: Simplify right side
    52,025,750.78x = 2,046,382,315,701,413.25
  5. Step 5: Solve for x
    x = 2,046,382,315,701,413.25/52,025,750.78
  6. Step 6: Final answer
    x = 39,334,027.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.