Home / 6,986,631.62-10,479,947.42-1,937,942.12

Finding the Fourth Proportional to 6,986,631.62, 10,479,947.42 and 1,937,942.12

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Solution

The fourth proportional to 6,986,631.62, 10,479,947.42 and 1,937,942.12 is: 2,906,913.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986,631.62 : 10,479,947.42 = 1,937,942.12 : x
  2. Step 2: Convert to fraction form
    6,986,631.62/10,479,947.42 = 1,937,942.12/x
  3. Step 3: Cross multiply
    6,986,631.62x = 10,479,947.42 × 1,937,942.12
  4. Step 4: Simplify right side
    6,986,631.62x = 20,309,531,458,513.88
  5. Step 5: Solve for x
    x = 20,309,531,458,513.88/6,986,631.62
  6. Step 6: Final answer
    x = 2,906,913.17

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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.