Home / 7,272,379.38-10,035,960.82-4,009,310.88

Finding the Fourth Proportional to 7,272,379.38, 10,035,960.82 and 4,009,310.88

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Solution

The fourth proportional to 7,272,379.38, 10,035,960.82 and 4,009,310.88 is: 5,532,891.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272,379.38 : 10,035,960.82 = 4,009,310.88 : x
  2. Step 2: Convert to fraction form
    7,272,379.38/10,035,960.82 = 4,009,310.88/x
  3. Step 3: Cross multiply
    7,272,379.38x = 10,035,960.82 × 4,009,310.88
  4. Step 4: Simplify right side
    7,272,379.38x = 40,237,286,906,879.72
  5. Step 5: Solve for x
    x = 40,237,286,906,879.72/7,272,379.38
  6. Step 6: Final answer
    x = 5,532,891.62

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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.