Home / 7,178,662.31-10,770,078.42-2,320,865.10

Finding the Fourth Proportional to 7,178,662.31, 10,770,078.42 and 2,320,865.10

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Solution

The fourth proportional to 7,178,662.31, 10,770,078.42 and 2,320,865.10 is: 3,481,971.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,178,662.31 : 10,770,078.42 = 2,320,865.10 : x
  2. Step 2: Convert to fraction form
    7,178,662.31/10,770,078.42 = 2,320,865.10/x
  3. Step 3: Cross multiply
    7,178,662.31x = 10,770,078.42 × 2,320,865.10
  4. Step 4: Simplify right side
    7,178,662.31x = 24,995,899,129,241.14
  5. Step 5: Solve for x
    x = 24,995,899,129,241.14/7,178,662.31
  6. Step 6: Final answer
    x = 3,481,971.72

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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.