Home / 11,571,865.60-15,975,183.36-8,987,760.64

Finding the Fourth Proportional to 11,571,865.60, 15,975,183.36 and 8,987,760.64

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Solution

The fourth proportional to 11,571,865.60, 15,975,183.36 and 8,987,760.64 is: 12,407,776.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,571,865.60 : 15,975,183.36 = 8,987,760.64 : x
  2. Step 2: Convert to fraction form
    11,571,865.60/15,975,183.36 = 8,987,760.64/x
  3. Step 3: Cross multiply
    11,571,865.60x = 15,975,183.36 × 8,987,760.64
  4. Step 4: Simplify right side
    11,571,865.60x = 143,581,124,219,790.97
  5. Step 5: Solve for x
    x = 143,581,124,219,790.97/11,571,865.60
  6. Step 6: Final answer
    x = 12,407,776.69

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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.