Home / 38,247,286.46-57,387,871.65-20,047,156.29

Finding the Fourth Proportional to 38,247,286.46, 57,387,871.65 and 20,047,156.29

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Solution

The fourth proportional to 38,247,286.46, 57,387,871.65 and 20,047,156.29 is: 30,079,614.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,247,286.46 : 57,387,871.65 = 20,047,156.29 : x
  2. Step 2: Convert to fraction form
    38,247,286.46/57,387,871.65 = 20,047,156.29/x
  3. Step 3: Cross multiply
    38,247,286.46x = 57,387,871.65 × 20,047,156.29
  4. Step 4: Simplify right side
    38,247,286.46x = 1,150,463,632,261,479.75
  5. Step 5: Solve for x
    x = 1,150,463,632,261,479.75/38,247,286.46
  6. Step 6: Final answer
    x = 30,079,614.50

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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.