Home / 13,745,131.05-18,967,174.66-7,944,288.51

Finding the Fourth Proportional to 13,745,131.05, 18,967,174.66 and 7,944,288.51

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Solution

The fourth proportional to 13,745,131.05, 18,967,174.66 and 7,944,288.51 is: 10,962,478.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,745,131.05 : 18,967,174.66 = 7,944,288.51 : x
  2. Step 2: Convert to fraction form
    13,745,131.05/18,967,174.66 = 7,944,288.51/x
  3. Step 3: Cross multiply
    13,745,131.05x = 18,967,174.66 × 7,944,288.51
  4. Step 4: Simplify right side
    13,745,131.05x = 150,680,707,603,904.56
  5. Step 5: Solve for x
    x = 150,680,707,603,904.56/13,745,131.05
  6. Step 6: Final answer
    x = 10,962,478.79

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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.