Home / 20,854,568.37-31,259,954.90-7,016,723.31

Finding the Fourth Proportional to 20,854,568.37, 31,259,954.90 and 7,016,723.31

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Solution

The fourth proportional to 20,854,568.37, 31,259,954.90 and 7,016,723.31 is: 10,517,717.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,854,568.37 : 31,259,954.90 = 7,016,723.31 : x
  2. Step 2: Convert to fraction form
    20,854,568.37/31,259,954.90 = 7,016,723.31/x
  3. Step 3: Cross multiply
    20,854,568.37x = 31,259,954.90 × 7,016,723.31
  4. Step 4: Simplify right side
    20,854,568.37x = 219,342,454,351,145.34
  5. Step 5: Solve for x
    x = 219,342,454,351,145.34/20,854,568.37
  6. Step 6: Final answer
    x = 10,517,717.29

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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.