Home / 18,353,202.20-27,504,920.10-12,270,642.20

Finding the Fourth Proportional to 18,353,202.20, 27,504,920.10 and 12,270,642.20

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Solution

The fourth proportional to 18,353,202.20, 27,504,920.10 and 12,270,642.20 is: 18,389,326.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,353,202.20 : 27,504,920.10 = 12,270,642.20 : x
  2. Step 2: Convert to fraction form
    18,353,202.20/27,504,920.10 = 12,270,642.20/x
  3. Step 3: Cross multiply
    18,353,202.20x = 27,504,920.10 × 12,270,642.20
  4. Step 4: Simplify right side
    18,353,202.20x = 337,503,033,286,688.19
  5. Step 5: Solve for x
    x = 337,503,033,286,688.19/18,353,202.20
  6. Step 6: Final answer
    x = 18,389,326.81

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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.