Home / 7,082,964.78-10,623,258.68-1,965,914.56

Finding the Fourth Proportional to 7,082,964.78, 10,623,258.68 and 1,965,914.56

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Solution

The fourth proportional to 7,082,964.78, 10,623,258.68 and 1,965,914.56 is: 2,948,541.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,082,964.78 : 10,623,258.68 = 1,965,914.56 : x
  2. Step 2: Convert to fraction form
    7,082,964.78/10,623,258.68 = 1,965,914.56/x
  3. Step 3: Cross multiply
    7,082,964.78x = 10,623,258.68 × 1,965,914.56
  4. Step 4: Simplify right side
    7,082,964.78x = 20,884,418,913,658.38
  5. Step 5: Solve for x
    x = 20,884,418,913,658.38/7,082,964.78
  6. Step 6: Final answer
    x = 2,948,541.97

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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.