Home / 8,491,022.28-12,793,249.01-7,682,443.16

Finding the Fourth Proportional to 8,491,022.28, 12,793,249.01 and 7,682,443.16

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Solution

The fourth proportional to 8,491,022.28, 12,793,249.01 and 7,682,443.16 is: 11,574,979.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,491,022.28 : 12,793,249.01 = 7,682,443.16 : x
  2. Step 2: Convert to fraction form
    8,491,022.28/12,793,249.01 = 7,682,443.16/x
  3. Step 3: Cross multiply
    8,491,022.28x = 12,793,249.01 × 7,682,443.16
  4. Step 4: Simplify right side
    8,491,022.28x = 98,283,408,248,672.83
  5. Step 5: Solve for x
    x = 98,283,408,248,672.83/8,491,022.28
  6. Step 6: Final answer
    x = 11,574,979.43

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.