Home / 7,118,568.58-9,823,621.22-3,855,383.14

Finding the Fourth Proportional to 7,118,568.58, 9,823,621.22 and 3,855,383.14

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Solution

The fourth proportional to 7,118,568.58, 9,823,621.22 and 3,855,383.14 is: 5,320,426.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118,568.58 : 9,823,621.22 = 3,855,383.14 : x
  2. Step 2: Convert to fraction form
    7,118,568.58/9,823,621.22 = 3,855,383.14/x
  3. Step 3: Cross multiply
    7,118,568.58x = 9,823,621.22 × 3,855,383.14
  4. Step 4: Simplify right side
    7,118,568.58x = 37,873,823,576,216.12
  5. Step 5: Solve for x
    x = 37,873,823,576,216.12/7,118,568.58
  6. Step 6: Final answer
    x = 5,320,426.88

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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.