Home / 28,441,231.84-42,641,469.78-12,047,620.96

Finding the Fourth Proportional to 28,441,231.84, 42,641,469.78 and 12,047,620.96

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Solution

The fourth proportional to 28,441,231.84, 42,641,469.78 and 12,047,620.96 is: 18,062,799.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,441,231.84 : 42,641,469.78 = 12,047,620.96 : x
  2. Step 2: Convert to fraction form
    28,441,231.84/42,641,469.78 = 12,047,620.96/x
  3. Step 3: Cross multiply
    28,441,231.84x = 42,641,469.78 × 12,047,620.96
  4. Step 4: Simplify right side
    28,441,231.84x = 513,728,265,086,734.62
  5. Step 5: Solve for x
    x = 513,728,265,086,734.62/28,441,231.84
  6. Step 6: Final answer
    x = 18,062,799.39

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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.