Home / 20,902,112.24-31,363,439.97-9,395,709.29

Finding the Fourth Proportional to 20,902,112.24, 31,363,439.97 and 9,395,709.29

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Solution

The fourth proportional to 20,902,112.24, 31,363,439.97 and 9,395,709.29 is: 14,098,181.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,902,112.24 : 31,363,439.97 = 9,395,709.29 : x
  2. Step 2: Convert to fraction form
    20,902,112.24/31,363,439.97 = 9,395,709.29/x
  3. Step 3: Cross multiply
    20,902,112.24x = 31,363,439.97 × 9,395,709.29
  4. Step 4: Simplify right side
    20,902,112.24x = 294,681,764,135,669.12
  5. Step 5: Solve for x
    x = 294,681,764,135,669.12/20,902,112.24
  6. Step 6: Final answer
    x = 14,098,181.12

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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.