Home / 18,201,704.80-27,302,557.20-5,247,830.43

Finding the Fourth Proportional to 18,201,704.80, 27,302,557.20 and 5,247,830.43

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Solution

The fourth proportional to 18,201,704.80, 27,302,557.20 and 5,247,830.43 is: 7,871,745.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,201,704.80 : 27,302,557.20 = 5,247,830.43 : x
  2. Step 2: Convert to fraction form
    18,201,704.80/27,302,557.20 = 5,247,830.43/x
  3. Step 3: Cross multiply
    18,201,704.80x = 27,302,557.20 × 5,247,830.43
  4. Step 4: Simplify right side
    18,201,704.80x = 143,279,190,490,975.59
  5. Step 5: Solve for x
    x = 143,279,190,490,975.59/18,201,704.80
  6. Step 6: Final answer
    x = 7,871,745.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.