Home / 28,198,015.80-42,288,413.16-19,500,204.22

Finding the Fourth Proportional to 28,198,015.80, 42,288,413.16 and 19,500,204.22

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Solution

The fourth proportional to 28,198,015.80, 42,288,413.16 and 19,500,204.22 is: 29,244,351.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,198,015.80 : 42,288,413.16 = 19,500,204.22 : x
  2. Step 2: Convert to fraction form
    28,198,015.80/42,288,413.16 = 19,500,204.22/x
  3. Step 3: Cross multiply
    28,198,015.80x = 42,288,413.16 × 19,500,204.22
  4. Step 4: Simplify right side
    28,198,015.80x = 824,632,692,759,735.38
  5. Step 5: Solve for x
    x = 824,632,692,759,735.38/28,198,015.80
  6. Step 6: Final answer
    x = 29,244,351.75

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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.