Home / 9,776,790.20-14,672,183.70-5,512,431.80

Finding the Fourth Proportional to 9,776,790.20, 14,672,183.70 and 5,512,431.80

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Solution

The fourth proportional to 9,776,790.20, 14,672,183.70 and 5,512,431.80 is: 8,272,593.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,776,790.20 : 14,672,183.70 = 5,512,431.80 : x
  2. Step 2: Convert to fraction form
    9,776,790.20/14,672,183.70 = 5,512,431.80/x
  3. Step 3: Cross multiply
    9,776,790.20x = 14,672,183.70 × 5,512,431.80
  4. Step 4: Simplify right side
    9,776,790.20x = 80,879,412,003,321.66
  5. Step 5: Solve for x
    x = 80,879,412,003,321.66/9,776,790.20
  6. Step 6: Final answer
    x = 8,272,593.60

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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.