Home / 13,755,163.78-18,982,323.27-7,560,783.96

Finding the Fourth Proportional to 13,755,163.78, 18,982,323.27 and 7,560,783.96

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Solution

The fourth proportional to 13,755,163.78, 18,982,323.27 and 7,560,783.96 is: 10,433,990.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,755,163.78 : 18,982,323.27 = 7,560,783.96 : x
  2. Step 2: Convert to fraction form
    13,755,163.78/18,982,323.27 = 7,560,783.96/x
  3. Step 3: Cross multiply
    13,755,163.78x = 18,982,323.27 × 7,560,783.96
  4. Step 4: Simplify right side
    13,755,163.78x = 143,521,245,303,350.75
  5. Step 5: Solve for x
    x = 143,521,245,303,350.75/13,755,163.78
  6. Step 6: Final answer
    x = 10,433,990.29

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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.