Home / 11,091,139.20-16,608,715.20-7,284,009.60

Finding the Fourth Proportional to 11,091,139.20, 16,608,715.20 and 7,284,009.60

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Solution

The fourth proportional to 11,091,139.20, 16,608,715.20 and 7,284,009.60 is: 10,907,629.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,091,139.20 : 16,608,715.20 = 7,284,009.60 : x
  2. Step 2: Convert to fraction form
    11,091,139.20/16,608,715.20 = 7,284,009.60/x
  3. Step 3: Cross multiply
    11,091,139.20x = 16,608,715.20 × 7,284,009.60
  4. Step 4: Simplify right side
    11,091,139.20x = 120,978,040,960,465.91
  5. Step 5: Solve for x
    x = 120,978,040,960,465.91/11,091,139.20
  6. Step 6: Final answer
    x = 10,907,629.85

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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.