Home / 13,082,559.70-18,054,286.68-7,281,979.60

Finding the Fourth Proportional to 13,082,559.70, 18,054,286.68 and 7,281,979.60

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Solution

The fourth proportional to 13,082,559.70, 18,054,286.68 and 7,281,979.60 is: 10,049,329.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,082,559.70 : 18,054,286.68 = 7,281,979.60 : x
  2. Step 2: Convert to fraction form
    13,082,559.70/18,054,286.68 = 7,281,979.60/x
  3. Step 3: Cross multiply
    13,082,559.70x = 18,054,286.68 × 7,281,979.60
  4. Step 4: Simplify right side
    13,082,559.70x = 131,470,947,296,311.72
  5. Step 5: Solve for x
    x = 131,470,947,296,311.72/13,082,559.70
  6. Step 6: Final answer
    x = 10,049,329.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.