Home / 38,247,287.34-57,387,872.97-20,047,157.18

Finding the Fourth Proportional to 38,247,287.34, 57,387,872.97 and 20,047,157.18

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Solution

The fourth proportional to 38,247,287.34, 57,387,872.97 and 20,047,157.18 is: 30,079,615.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,247,287.34 : 57,387,872.97 = 20,047,157.18 : x
  2. Step 2: Convert to fraction form
    38,247,287.34/57,387,872.97 = 20,047,157.18/x
  3. Step 3: Cross multiply
    38,247,287.34x = 57,387,872.97 × 20,047,157.18
  4. Step 4: Simplify right side
    38,247,287.34x = 1,150,463,709,368,524
  5. Step 5: Solve for x
    x = 1,150,463,709,368,524/38,247,287.34
  6. Step 6: Final answer
    x = 30,079,615.82

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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.