Home / 18,681,849.37-25,777,759.30-10,839,563.79

Finding the Fourth Proportional to 18,681,849.37, 25,777,759.30 and 10,839,563.79

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Solution

The fourth proportional to 18,681,849.37, 25,777,759.30 and 10,839,563.79 is: 14,956,745.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,681,849.37 : 25,777,759.30 = 10,839,563.79 : x
  2. Step 2: Convert to fraction form
    18,681,849.37/25,777,759.30 = 10,839,563.79/x
  3. Step 3: Cross multiply
    18,681,849.37x = 25,777,759.30 × 10,839,563.79
  4. Step 4: Simplify right side
    18,681,849.37x = 279,419,666,295,615.72
  5. Step 5: Solve for x
    x = 279,419,666,295,615.72/18,681,849.37
  6. Step 6: Final answer
    x = 14,956,745.49

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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.