Home / 13,660,916.22-20,491,374.24-5,143,163.58

Finding the Fourth Proportional to 13,660,916.22, 20,491,374.24 and 5,143,163.58

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Solution

The fourth proportional to 13,660,916.22, 20,491,374.24 and 5,143,163.58 is: 7,714,745.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,660,916.22 : 20,491,374.24 = 5,143,163.58 : x
  2. Step 2: Convert to fraction form
    13,660,916.22/20,491,374.24 = 5,143,163.58/x
  3. Step 3: Cross multiply
    13,660,916.22x = 20,491,374.24 × 5,143,163.58
  4. Step 4: Simplify right side
    13,660,916.22x = 105,390,489,695,318.17
  5. Step 5: Solve for x
    x = 105,390,489,695,318.17/13,660,916.22
  6. Step 6: Final answer
    x = 7,714,745.34

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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.