Home / 6,999,821.11-10,511,123.16-4,321,173.92

Finding the Fourth Proportional to 6,999,821.11, 10,511,123.16 and 4,321,173.92

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Solution

The fourth proportional to 6,999,821.11, 10,511,123.16 and 4,321,173.92 is: 6,488,793.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,999,821.11 : 10,511,123.16 = 4,321,173.92 : x
  2. Step 2: Convert to fraction form
    6,999,821.11/10,511,123.16 = 4,321,173.92/x
  3. Step 3: Cross multiply
    6,999,821.11x = 10,511,123.16 × 4,321,173.92
  4. Step 4: Simplify right side
    6,999,821.11x = 45,420,391,268,899.98
  5. Step 5: Solve for x
    x = 45,420,391,268,899.98/6,999,821.11
  6. Step 6: Final answer
    x = 6,488,793.15

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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.