Home / 13,933,845.72-19,227,645.54-7,821,093.24

Finding the Fourth Proportional to 13,933,845.72, 19,227,645.54 and 7,821,093.24

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Solution

The fourth proportional to 13,933,845.72, 19,227,645.54 and 7,821,093.24 is: 10,792,512.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,933,845.72 : 19,227,645.54 = 7,821,093.24 : x
  2. Step 2: Convert to fraction form
    13,933,845.72/19,227,645.54 = 7,821,093.24/x
  3. Step 3: Cross multiply
    13,933,845.72x = 19,227,645.54 × 7,821,093.24
  4. Step 4: Simplify right side
    13,933,845.72x = 150,381,208,554,010.16
  5. Step 5: Solve for x
    x = 150,381,208,554,010.16/13,933,845.72
  6. Step 6: Final answer
    x = 10,792,512.82

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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.