Home / 21,410,413.11-29,545,999.29-11,620,647.09

Finding the Fourth Proportional to 21,410,413.11, 29,545,999.29 and 11,620,647.09

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Solution

The fourth proportional to 21,410,413.11, 29,545,999.29 and 11,620,647.09 is: 16,036,291.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,410,413.11 : 29,545,999.29 = 11,620,647.09 : x
  2. Step 2: Convert to fraction form
    21,410,413.11/29,545,999.29 = 11,620,647.09/x
  3. Step 3: Cross multiply
    21,410,413.11x = 29,545,999.29 × 11,620,647.09
  4. Step 4: Simplify right side
    21,410,413.11x = 343,343,630,670,480.56
  5. Step 5: Solve for x
    x = 343,343,630,670,480.56/21,410,413.11
  6. Step 6: Final answer
    x = 16,036,291.73

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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.