Home / 6,418,632.78-8,857,599.08-3,806,895.51

Finding the Fourth Proportional to 6,418,632.78, 8,857,599.08 and 3,806,895.51

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Solution

The fourth proportional to 6,418,632.78, 8,857,599.08 and 3,806,895.51 is: 5,253,448.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418,632.78 : 8,857,599.08 = 3,806,895.51 : x
  2. Step 2: Convert to fraction form
    6,418,632.78/8,857,599.08 = 3,806,895.51/x
  3. Step 3: Cross multiply
    6,418,632.78x = 8,857,599.08 × 3,806,895.51
  4. Step 4: Simplify right side
    6,418,632.78x = 33,719,954,147,997.65
  5. Step 5: Solve for x
    x = 33,719,954,147,997.65/6,418,632.78
  6. Step 6: Final answer
    x = 5,253,448.09

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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.