Home / 15,183,211.20-22,741,639.20-11,790,801.60

Finding the Fourth Proportional to 15,183,211.20, 22,741,639.20 and 11,790,801.60

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Solution

The fourth proportional to 15,183,211.20, 22,741,639.20 and 11,790,801.60 is: 17,660,437.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,183,211.20 : 22,741,639.20 = 11,790,801.60 : x
  2. Step 2: Convert to fraction form
    15,183,211.20/22,741,639.20 = 11,790,801.60/x
  3. Step 3: Cross multiply
    15,183,211.20x = 22,741,639.20 × 11,790,801.60
  4. Step 4: Simplify right side
    15,183,211.20x = 268,142,155,865,982.69
  5. Step 5: Solve for x
    x = 268,142,155,865,982.69/15,183,211.20
  6. Step 6: Final answer
    x = 17,660,437.73

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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.