Home / 28,198,016.18-42,288,413.71-19,500,204.59

Finding the Fourth Proportional to 28,198,016.18, 42,288,413.71 and 19,500,204.59

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Solution

The fourth proportional to 28,198,016.18, 42,288,413.71 and 19,500,204.59 is: 29,244,352.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,198,016.18 : 42,288,413.71 = 19,500,204.59 : x
  2. Step 2: Convert to fraction form
    28,198,016.18/42,288,413.71 = 19,500,204.59/x
  3. Step 3: Cross multiply
    28,198,016.18x = 42,288,413.71 × 19,500,204.59
  4. Step 4: Simplify right side
    28,198,016.18x = 824,632,719,131,561
  5. Step 5: Solve for x
    x = 824,632,719,131,561/28,198,016.18
  6. Step 6: Final answer
    x = 29,244,352.29

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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.