Home / 38,081,012.96-57,123,356.54-12,521,456.48

Finding the Fourth Proportional to 38,081,012.96, 57,123,356.54 and 12,521,456.48

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Solution

The fourth proportional to 38,081,012.96, 57,123,356.54 and 12,521,456.48 is: 18,782,788.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,081,012.96 : 57,123,356.54 = 12,521,456.48 : x
  2. Step 2: Convert to fraction form
    38,081,012.96/57,123,356.54 = 12,521,456.48/x
  3. Step 3: Cross multiply
    38,081,012.96x = 57,123,356.54 × 12,521,456.48
  4. Step 4: Simplify right side
    38,081,012.96x = 715,267,622,907,133.38
  5. Step 5: Solve for x
    x = 715,267,622,907,133.38/38,081,012.96
  6. Step 6: Final answer
    x = 18,782,788.78

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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.