Home / 7,381,126.71-10,185,961.25-4,117,942.11

Finding the Fourth Proportional to 7,381,126.71, 10,185,961.25 and 4,117,942.11

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Solution

The fourth proportional to 7,381,126.71, 10,185,961.25 and 4,117,942.11 is: 5,682,763.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,126.71 : 10,185,961.25 = 4,117,942.11 : x
  2. Step 2: Convert to fraction form
    7,381,126.71/10,185,961.25 = 4,117,942.11/x
  3. Step 3: Cross multiply
    7,381,126.71x = 10,185,961.25 × 4,117,942.11
  4. Step 4: Simplify right side
    7,381,126.71x = 41,945,198,741,613.52
  5. Step 5: Solve for x
    x = 41,945,198,741,613.52/7,381,126.71
  6. Step 6: Final answer
    x = 5,682,763.67

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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.