Home / 38,420,231.69-57,634,383.67-12,514,551.82

Finding the Fourth Proportional to 38,420,231.69, 57,634,383.67 and 12,514,551.82

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Solution

The fourth proportional to 38,420,231.69, 57,634,383.67 and 12,514,551.82 is: 18,773,142.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,420,231.69 : 57,634,383.67 = 12,514,551.82 : x
  2. Step 2: Convert to fraction form
    38,420,231.69/57,634,383.67 = 12,514,551.82/x
  3. Step 3: Cross multiply
    38,420,231.69x = 57,634,383.67 × 12,514,551.82
  4. Step 4: Simplify right side
    38,420,231.69x = 721,268,480,876,604.50
  5. Step 5: Solve for x
    x = 721,268,480,876,604.50/38,420,231.69
  6. Step 6: Final answer
    x = 18,773,142.41

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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.