Home / 7,321,936.28-10,982,782.16-1,782,530.38

Finding the Fourth Proportional to 7,321,936.28, 10,982,782.16 and 1,782,530.38

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Solution

The fourth proportional to 7,321,936.28, 10,982,782.16 and 1,782,530.38 is: 2,673,765.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,321,936.28 : 10,982,782.16 = 1,782,530.38 : x
  2. Step 2: Convert to fraction form
    7,321,936.28/10,982,782.16 = 1,782,530.38/x
  3. Step 3: Cross multiply
    7,321,936.28x = 10,982,782.16 × 1,782,530.38
  4. Step 4: Simplify right side
    7,321,936.28x = 19,577,142,857,122.02
  5. Step 5: Solve for x
    x = 19,577,142,857,122.02/7,321,936.28
  6. Step 6: Final answer
    x = 2,673,765.81

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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.