Home / 38,135,740.64-57,195,540.68-12,570,672.88

Finding the Fourth Proportional to 38,135,740.64, 57,195,540.68 and 12,570,672.88

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Solution

The fourth proportional to 38,135,740.64, 57,195,540.68 and 12,570,672.88 is: 18,853,349.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,135,740.64 : 57,195,540.68 = 12,570,672.88 : x
  2. Step 2: Convert to fraction form
    38,135,740.64/57,195,540.68 = 12,570,672.88/x
  3. Step 3: Cross multiply
    38,135,740.64x = 57,195,540.68 × 12,570,672.88
  4. Step 4: Simplify right side
    38,135,740.64x = 718,986,432,083,012.75
  5. Step 5: Solve for x
    x = 718,986,432,083,012.75/38,135,740.64
  6. Step 6: Final answer
    x = 18,853,349.12

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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.