Home / 13,933,843.72-19,227,642.78-7,821,091.24

Finding the Fourth Proportional to 13,933,843.72, 19,227,642.78 and 7,821,091.24

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Solution

The fourth proportional to 13,933,843.72, 19,227,642.78 and 7,821,091.24 is: 10,792,510.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933,843.72 : 19,227,642.78 = 7,821,091.24 : x
  2. Step 2: Convert to fraction form
    13,933,843.72/19,227,642.78 = 7,821,091.24/x
  3. Step 3: Cross multiply
    13,933,843.72x = 19,227,642.78 × 7,821,091.24
  4. Step 4: Simplify right side
    13,933,843.72x = 150,381,148,512,507.25
  5. Step 5: Solve for x
    x = 150,381,148,512,507.25/13,933,843.72
  6. Step 6: Final answer
    x = 10,792,510.06

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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.