Home / 13,380,469.22-18,463,566.65-7,419,726.16

Finding the Fourth Proportional to 13,380,469.22, 18,463,566.65 and 7,419,726.16

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Solution

The fourth proportional to 13,380,469.22, 18,463,566.65 and 7,419,726.16 is: 10,238,400.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,380,469.22 : 18,463,566.65 = 7,419,726.16 : x
  2. Step 2: Convert to fraction form
    13,380,469.22/18,463,566.65 = 7,419,726.16/x
  3. Step 3: Cross multiply
    13,380,469.22x = 18,463,566.65 × 7,419,726.16
  4. Step 4: Simplify right side
    13,380,469.22x = 136,994,608,396,651.02
  5. Step 5: Solve for x
    x = 136,994,608,396,651.02/13,380,469.22
  6. Step 6: Final answer
    x = 10,238,400.92

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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.