Home / 7,378,100.28-11,063,936.16-3,919,082.94

Finding the Fourth Proportional to 7,378,100.28, 11,063,936.16 and 3,919,082.94

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Solution

The fourth proportional to 7,378,100.28, 11,063,936.16 and 3,919,082.94 is: 5,876,917.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378,100.28 : 11,063,936.16 = 3,919,082.94 : x
  2. Step 2: Convert to fraction form
    7,378,100.28/11,063,936.16 = 3,919,082.94/x
  3. Step 3: Cross multiply
    7,378,100.28x = 11,063,936.16 × 3,919,082.94
  4. Step 4: Simplify right side
    7,378,100.28x = 43,360,483,453,905.11
  5. Step 5: Solve for x
    x = 43,360,483,453,905.11/7,378,100.28
  6. Step 6: Final answer
    x = 5,876,917.07

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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.