Home / 18,198,139.80-27,277,788.60-9,082,286.40

Finding the Fourth Proportional to 18,198,139.80, 27,277,788.60 and 9,082,286.40

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Solution

The fourth proportional to 18,198,139.80, 27,277,788.60 and 9,082,286.40 is: 13,613,736.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,198,139.80 : 27,277,788.60 = 9,082,286.40 : x
  2. Step 2: Convert to fraction form
    18,198,139.80/27,277,788.60 = 9,082,286.40/x
  3. Step 3: Cross multiply
    18,198,139.80x = 27,277,788.60 × 9,082,286.40
  4. Step 4: Simplify right side
    18,198,139.80x = 247,744,688,423,855.06
  5. Step 5: Solve for x
    x = 247,744,688,423,855.06/18,198,139.80
  6. Step 6: Final answer
    x = 13,613,736.96

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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.