Home / 20,193,608.80-30,290,413.20-17,961,556.60

Finding the Fourth Proportional to 20,193,608.80, 30,290,413.20 and 17,961,556.60

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Solution

The fourth proportional to 20,193,608.80, 30,290,413.20 and 17,961,556.60 is: 26,942,334.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,193,608.80 : 30,290,413.20 = 17,961,556.60 : x
  2. Step 2: Convert to fraction form
    20,193,608.80/30,290,413.20 = 17,961,556.60/x
  3. Step 3: Cross multiply
    20,193,608.80x = 30,290,413.20 × 17,961,556.60
  4. Step 4: Simplify right side
    20,193,608.80x = 544,062,971,129,187.12
  5. Step 5: Solve for x
    x = 544,062,971,129,187.12/20,193,608.80
  6. Step 6: Final answer
    x = 26,942,334.90

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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.