Home / 12,183,375.42-16,811,241.48-7,541,829.18

Finding the Fourth Proportional to 12,183,375.42, 16,811,241.48 and 7,541,829.18

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Solution

The fourth proportional to 12,183,375.42, 16,811,241.48 and 7,541,829.18 is: 10,406,599.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,183,375.42 : 16,811,241.48 = 7,541,829.18 : x
  2. Step 2: Convert to fraction form
    12,183,375.42/16,811,241.48 = 7,541,829.18/x
  3. Step 3: Cross multiply
    12,183,375.42x = 16,811,241.48 × 7,541,829.18
  4. Step 4: Simplify right side
    12,183,375.42x = 126,787,511,545,890.39
  5. Step 5: Solve for x
    x = 126,787,511,545,890.39/12,183,375.42
  6. Step 6: Final answer
    x = 10,406,599.75

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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.