Home / 10,790,755.20-16,183,540.80-6,231,945.60

Finding the Fourth Proportional to 10,790,755.20, 16,183,540.80 and 6,231,945.60

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Solution

The fourth proportional to 10,790,755.20, 16,183,540.80 and 6,231,945.60 is: 9,346,421.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790,755.20 : 16,183,540.80 = 6,231,945.60 : x
  2. Step 2: Convert to fraction form
    10,790,755.20/16,183,540.80 = 6,231,945.60/x
  3. Step 3: Cross multiply
    10,790,755.20x = 16,183,540.80 × 6,231,945.60
  4. Step 4: Simplify right side
    10,790,755.20x = 100,854,945,880,980.48
  5. Step 5: Solve for x
    x = 100,854,945,880,980.48/10,790,755.20
  6. Step 6: Final answer
    x = 9,346,421.45

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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.