Home / 20,491,863.24-30,876,050.77-16,928,422.85

Finding the Fourth Proportional to 20,491,863.24, 30,876,050.77 and 16,928,422.85

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Solution

The fourth proportional to 20,491,863.24, 30,876,050.77 and 16,928,422.85 is: 25,506,848.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,491,863.24 : 30,876,050.77 = 16,928,422.85 : x
  2. Step 2: Convert to fraction form
    20,491,863.24/30,876,050.77 = 16,928,422.85/x
  3. Step 3: Cross multiply
    20,491,863.24x = 30,876,050.77 × 16,928,422.85
  4. Step 4: Simplify right side
    20,491,863.24x = 522,682,843,439,683.50
  5. Step 5: Solve for x
    x = 522,682,843,439,683.50/20,491,863.24
  6. Step 6: Final answer
    x = 25,506,848.12

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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.