Home / 7,610,899.78-11,418,028.87-2,219,972.11

Finding the Fourth Proportional to 7,610,899.78, 11,418,028.87 and 2,219,972.11

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Solution

The fourth proportional to 7,610,899.78, 11,418,028.87 and 2,219,972.11 is: 3,330,447.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,610,899.78 : 11,418,028.87 = 2,219,972.11 : x
  2. Step 2: Convert to fraction form
    7,610,899.78/11,418,028.87 = 2,219,972.11/x
  3. Step 3: Cross multiply
    7,610,899.78x = 11,418,028.87 × 2,219,972.11
  4. Step 4: Simplify right side
    7,610,899.78x = 25,347,705,676,868.68
  5. Step 5: Solve for x
    x = 25,347,705,676,868.68/7,610,899.78
  6. Step 6: Final answer
    x = 3,330,447.97

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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.