Home / 7,050,286.08-9,728,605.12-3,993,845.76

Finding the Fourth Proportional to 7,050,286.08, 9,728,605.12 and 3,993,845.76

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Solution

The fourth proportional to 7,050,286.08, 9,728,605.12 and 3,993,845.76 is: 5,511,059.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,050,286.08 : 9,728,605.12 = 3,993,845.76 : x
  2. Step 2: Convert to fraction form
    7,050,286.08/9,728,605.12 = 3,993,845.76/x
  3. Step 3: Cross multiply
    7,050,286.08x = 9,728,605.12 × 3,993,845.76
  4. Step 4: Simplify right side
    7,050,286.08x = 38,854,548,309,226.29
  5. Step 5: Solve for x
    x = 38,854,548,309,226.29/7,050,286.08
  6. Step 6: Final answer
    x = 5,511,059.82

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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.