Home / 20,743,775.60-31,115,413.10-5,389,706.66

Finding the Fourth Proportional to 20,743,775.60, 31,115,413.10 and 5,389,706.66

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Solution

The fourth proportional to 20,743,775.60, 31,115,413.10 and 5,389,706.66 is: 8,084,494.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,743,775.60 : 31,115,413.10 = 5,389,706.66 : x
  2. Step 2: Convert to fraction form
    20,743,775.60/31,115,413.10 = 5,389,706.66/x
  3. Step 3: Cross multiply
    20,743,775.60x = 31,115,413.10 × 5,389,706.66
  4. Step 4: Simplify right side
    20,743,775.60x = 167,702,949,213,721.25
  5. Step 5: Solve for x
    x = 167,702,949,213,721.25/20,743,775.60
  6. Step 6: Final answer
    x = 8,084,494.96

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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.