Home / 38,135,738.64-57,195,537.68-12,570,670.88

Finding the Fourth Proportional to 38,135,738.64, 57,195,537.68 and 12,570,670.88

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Solution

The fourth proportional to 38,135,738.64, 57,195,537.68 and 12,570,670.88 is: 18,853,346.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,135,738.64 : 57,195,537.68 = 12,570,670.88 : x
  2. Step 2: Convert to fraction form
    38,135,738.64/57,195,537.68 = 12,570,670.88/x
  3. Step 3: Cross multiply
    38,135,738.64x = 57,195,537.68 × 12,570,670.88
  4. Step 4: Simplify right side
    38,135,738.64x = 718,986,279,979,918.75
  5. Step 5: Solve for x
    x = 718,986,279,979,918.75/38,135,738.64
  6. Step 6: Final answer
    x = 18,853,346.12

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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.