Home / 20,914,920.08-31,372,355.90-7,268,067.62

Finding the Fourth Proportional to 20,914,920.08, 31,372,355.90 and 7,268,067.62

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Solution

The fourth proportional to 20,914,920.08, 31,372,355.90 and 7,268,067.62 is: 10,902,093.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,914,920.08 : 31,372,355.90 = 7,268,067.62 : x
  2. Step 2: Convert to fraction form
    20,914,920.08/31,372,355.90 = 7,268,067.62/x
  3. Step 3: Cross multiply
    20,914,920.08x = 31,372,355.90 × 7,268,067.62
  4. Step 4: Simplify right side
    20,914,920.08x = 228,016,403,886,703.84
  5. Step 5: Solve for x
    x = 228,016,403,886,703.84/20,914,920.08
  6. Step 6: Final answer
    x = 10,902,093.01

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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.