Home / 20,694,843-31,047,072.53-7,048,107.90

Finding the Fourth Proportional to 20,694,843, 31,047,072.53 and 7,048,107.90

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Solution

The fourth proportional to 20,694,843, 31,047,072.53 and 7,048,107.90 is: 10,573,799.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,694,843 : 31,047,072.53 = 7,048,107.90 : x
  2. Step 2: Convert to fraction form
    20,694,843/31,047,072.53 = 7,048,107.90/x
  3. Step 3: Cross multiply
    20,694,843x = 31,047,072.53 × 7,048,107.90
  4. Step 4: Simplify right side
    20,694,843x = 218,823,117,135,325.44
  5. Step 5: Solve for x
    x = 218,823,117,135,325.44/20,694,843
  6. Step 6: Final answer
    x = 10,573,799.33

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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.