Home / 20,703,413.43-28,571,584.82-11,536,053.75

Finding the Fourth Proportional to 20,703,413.43, 28,571,584.82 and 11,536,053.75

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Solution

The fourth proportional to 20,703,413.43, 28,571,584.82 and 11,536,053.75 is: 15,920,241.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,703,413.43 : 28,571,584.82 = 11,536,053.75 : x
  2. Step 2: Convert to fraction form
    20,703,413.43/28,571,584.82 = 11,536,053.75/x
  3. Step 3: Cross multiply
    20,703,413.43x = 28,571,584.82 × 11,536,053.75
  4. Step 4: Simplify right side
    20,703,413.43x = 329,603,338,148,523.81
  5. Step 5: Solve for x
    x = 329,603,338,148,523.81/20,703,413.43
  6. Step 6: Final answer
    x = 15,920,241.33

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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.