Home / 7,279,872.82-10,046,278.38-4,016,808.68

Finding the Fourth Proportional to 7,279,872.82, 10,046,278.38 and 4,016,808.68

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Solution

The fourth proportional to 7,279,872.82, 10,046,278.38 and 4,016,808.68 is: 5,543,225.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279,872.82 : 10,046,278.38 = 4,016,808.68 : x
  2. Step 2: Convert to fraction form
    7,279,872.82/10,046,278.38 = 4,016,808.68/x
  3. Step 3: Cross multiply
    7,279,872.82x = 10,046,278.38 × 4,016,808.68
  4. Step 4: Simplify right side
    7,279,872.82x = 40,353,978,197,227.75
  5. Step 5: Solve for x
    x = 40,353,978,197,227.75/7,279,872.82
  6. Step 6: Final answer
    x = 5,543,225.71

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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.