Home / 18,252,112-27,405,082.68-10,180,857.28

Finding the Fourth Proportional to 18,252,112, 27,405,082.68 and 10,180,857.28

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Solution

The fourth proportional to 18,252,112, 27,405,082.68 and 10,180,857.28 is: 15,286,298.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,252,112 : 27,405,082.68 = 10,180,857.28 : x
  2. Step 2: Convert to fraction form
    18,252,112/27,405,082.68 = 10,180,857.28/x
  3. Step 3: Cross multiply
    18,252,112x = 27,405,082.68 × 10,180,857.28
  4. Step 4: Simplify right side
    18,252,112x = 279,007,235,511,679.88
  5. Step 5: Solve for x
    x = 279,007,235,511,679.88/18,252,112
  6. Step 6: Final answer
    x = 15,286,298.68

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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.