Home / 10,863,515.70-16,295,273.55-9,666,789.30

Finding the Fourth Proportional to 10,863,515.70, 16,295,273.55 and 9,666,789.30

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Solution

The fourth proportional to 10,863,515.70, 16,295,273.55 and 9,666,789.30 is: 14,500,183.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,863,515.70 : 16,295,273.55 = 9,666,789.30 : x
  2. Step 2: Convert to fraction form
    10,863,515.70/16,295,273.55 = 9,666,789.30/x
  3. Step 3: Cross multiply
    10,863,515.70x = 16,295,273.55 × 9,666,789.30
  4. Step 4: Simplify right side
    10,863,515.70x = 157,522,975,993,713.03
  5. Step 5: Solve for x
    x = 157,522,975,993,713.03/10,863,515.70
  6. Step 6: Final answer
    x = 14,500,183.95

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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.