Home / 20,231,414.94-30,350,864.77-6,401,855.59

Finding the Fourth Proportional to 20,231,414.94, 30,350,864.77 and 6,401,855.59

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Solution

The fourth proportional to 20,231,414.94, 30,350,864.77 and 6,401,855.59 is: 9,603,967.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,231,414.94 : 30,350,864.77 = 6,401,855.59 : x
  2. Step 2: Convert to fraction form
    20,231,414.94/30,350,864.77 = 6,401,855.59/x
  3. Step 3: Cross multiply
    20,231,414.94x = 30,350,864.77 × 6,401,855.59
  4. Step 4: Simplify right side
    20,231,414.94x = 194,301,853,289,158.56
  5. Step 5: Solve for x
    x = 194,301,853,289,158.56/20,231,414.94
  6. Step 6: Final answer
    x = 9,603,967.59

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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.