Home / 13,199,906.07-18,215,910.85-7,319,954.27

Finding the Fourth Proportional to 13,199,906.07, 18,215,910.85 and 7,319,954.27

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Solution

The fourth proportional to 13,199,906.07, 18,215,910.85 and 7,319,954.27 is: 10,101,559.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,199,906.07 : 18,215,910.85 = 7,319,954.27 : x
  2. Step 2: Convert to fraction form
    13,199,906.07/18,215,910.85 = 7,319,954.27/x
  3. Step 3: Cross multiply
    13,199,906.07x = 18,215,910.85 × 7,319,954.27
  4. Step 4: Simplify right side
    13,199,906.07x = 133,339,634,382,800.56
  5. Step 5: Solve for x
    x = 133,339,634,382,800.56/13,199,906.07
  6. Step 6: Final answer
    x = 10,101,559.34

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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.