Home / 7,921,167.90-11,907,121.05-7,359,546.30

Finding the Fourth Proportional to 7,921,167.90, 11,907,121.05 and 7,359,546.30

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Solution

The fourth proportional to 7,921,167.90, 11,907,121.05 and 7,359,546.30 is: 11,062,889.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,921,167.90 : 11,907,121.05 = 7,359,546.30 : x
  2. Step 2: Convert to fraction form
    7,921,167.90/11,907,121.05 = 7,359,546.30/x
  3. Step 3: Cross multiply
    7,921,167.90x = 11,907,121.05 × 7,359,546.30
  4. Step 4: Simplify right side
    7,921,167.90x = 87,631,008,667,179.62
  5. Step 5: Solve for x
    x = 87,631,008,667,179.62/7,921,167.90
  6. Step 6: Final answer
    x = 11,062,889.94

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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.