Home / 20,916,611-31,376,723.96-5,770,542.48

Finding the Fourth Proportional to 20,916,611, 31,376,723.96 and 5,770,542.48

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Solution

The fourth proportional to 20,916,611, 31,376,723.96 and 5,770,542.48 is: 8,656,312.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,916,611 : 31,376,723.96 = 5,770,542.48 : x
  2. Step 2: Convert to fraction form
    20,916,611/31,376,723.96 = 5,770,542.48/x
  3. Step 3: Cross multiply
    20,916,611x = 31,376,723.96 × 5,770,542.48
  4. Step 4: Simplify right side
    20,916,611x = 181,060,718,494,413.84
  5. Step 5: Solve for x
    x = 181,060,718,494,413.84/20,916,611
  6. Step 6: Final answer
    x = 8,656,312.37

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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.