Home / 20,216,455.20-30,324,682.80-13,839,163.20

Finding the Fourth Proportional to 20,216,455.20, 30,324,682.80 and 13,839,163.20

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Solution

The fourth proportional to 20,216,455.20, 30,324,682.80 and 13,839,163.20 is: 20,758,744.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,216,455.20 : 30,324,682.80 = 13,839,163.20 : x
  2. Step 2: Convert to fraction form
    20,216,455.20/30,324,682.80 = 13,839,163.20/x
  3. Step 3: Cross multiply
    20,216,455.20x = 30,324,682.80 × 13,839,163.20
  4. Step 4: Simplify right side
    20,216,455.20x = 419,668,234,257,432.94
  5. Step 5: Solve for x
    x = 419,668,234,257,432.94/20,216,455.20
  6. Step 6: Final answer
    x = 20,758,744.80

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1.5x scale

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.