Home / 18,145,216.80-27,229,217.04-7,362,561.60

Finding the Fourth Proportional to 18,145,216.80, 27,229,217.04 and 7,362,561.60

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Solution

The fourth proportional to 18,145,216.80, 27,229,217.04 and 7,362,561.60 is: 11,048,464.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,216.80 : 27,229,217.04 = 7,362,561.60 : x
  2. Step 2: Convert to fraction form
    18,145,216.80/27,229,217.04 = 7,362,561.60/x
  3. Step 3: Cross multiply
    18,145,216.80x = 27,229,217.04 × 7,362,561.60
  4. Step 4: Simplify right side
    18,145,216.80x = 200,476,787,776,769.66
  5. Step 5: Solve for x
    x = 200,476,787,776,769.66/18,145,216.80
  6. Step 6: Final answer
    x = 11,048,464.73

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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.