Home / 19,491,218.15-29,265,568.74-10,872,158.54

Finding the Fourth Proportional to 19,491,218.15, 29,265,568.74 and 10,872,158.54

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Solution

The fourth proportional to 19,491,218.15, 29,265,568.74 and 10,872,158.54 is: 16,324,269.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,491,218.15 : 29,265,568.74 = 10,872,158.54 : x
  2. Step 2: Convert to fraction form
    19,491,218.15/29,265,568.74 = 10,872,158.54/x
  3. Step 3: Cross multiply
    19,491,218.15x = 29,265,568.74 × 10,872,158.54
  4. Step 4: Simplify right side
    19,491,218.15x = 318,179,902,958,220.19
  5. Step 5: Solve for x
    x = 318,179,902,958,220.19/19,491,218.15
  6. Step 6: Final answer
    x = 16,324,269.76

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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.