Home / 21,320,290.16-29,422,000.42-11,530,734.34

Finding the Fourth Proportional to 21,320,290.16, 29,422,000.42 and 11,530,734.34

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Solution

The fourth proportional to 21,320,290.16, 29,422,000.42 and 11,530,734.34 is: 15,912,413.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,320,290.16 : 29,422,000.42 = 11,530,734.34 : x
  2. Step 2: Convert to fraction form
    21,320,290.16/29,422,000.42 = 11,530,734.34/x
  3. Step 3: Cross multiply
    21,320,290.16x = 29,422,000.42 × 11,530,734.34
  4. Step 4: Simplify right side
    21,320,290.16x = 339,257,270,594,388.44
  5. Step 5: Solve for x
    x = 339,257,270,594,388.44/21,320,290.16
  6. Step 6: Final answer
    x = 15,912,413.39

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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.