Home / 13,511,819.76-20,263,537.84-4,874,797.40

Finding the Fourth Proportional to 13,511,819.76, 20,263,537.84 and 4,874,797.40

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Solution

The fourth proportional to 13,511,819.76, 20,263,537.84 and 4,874,797.40 is: 7,310,683.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,511,819.76 : 20,263,537.84 = 4,874,797.40 : x
  2. Step 2: Convert to fraction form
    13,511,819.76/20,263,537.84 = 4,874,797.40/x
  3. Step 3: Cross multiply
    13,511,819.76x = 20,263,537.84 × 4,874,797.40
  4. Step 4: Simplify right side
    13,511,819.76x = 98,780,641,577,233.62
  5. Step 5: Solve for x
    x = 98,780,641,577,233.62/13,511,819.76
  6. Step 6: Final answer
    x = 7,310,683.78

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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.