Home / 25,709,828.76-38,542,042.45-19,671,517.34

Finding the Fourth Proportional to 25,709,828.76, 38,542,042.45 and 19,671,517.34

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Solution

The fourth proportional to 25,709,828.76, 38,542,042.45 and 19,671,517.34 is: 29,489,906.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,709,828.76 : 38,542,042.45 = 19,671,517.34 : x
  2. Step 2: Convert to fraction form
    25,709,828.76/38,542,042.45 = 19,671,517.34/x
  3. Step 3: Cross multiply
    25,709,828.76x = 38,542,042.45 × 19,671,517.34
  4. Step 4: Simplify right side
    25,709,828.76x = 758,180,456,350,603
  5. Step 5: Solve for x
    x = 758,180,456,350,603/25,709,828.76
  6. Step 6: Final answer
    x = 29,489,906.89

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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.