Home / 38,420,234.94-57,634,388.54-12,514,555.07

Finding the Fourth Proportional to 38,420,234.94, 57,634,388.54 and 12,514,555.07

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Solution

The fourth proportional to 38,420,234.94, 57,634,388.54 and 12,514,555.07 is: 18,773,147.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,420,234.94 : 57,634,388.54 = 12,514,555.07 : x
  2. Step 2: Convert to fraction form
    38,420,234.94/57,634,388.54 = 12,514,555.07/x
  3. Step 3: Cross multiply
    38,420,234.94x = 57,634,388.54 × 12,514,555.07
  4. Step 4: Simplify right side
    38,420,234.94x = 721,268,729,309,606.88
  5. Step 5: Solve for x
    x = 721,268,729,309,606.88/38,420,234.94
  6. Step 6: Final answer
    x = 18,773,147.29

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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.