Home / 20,737,273.60-31,105,910.40-19,981,446.40

Finding the Fourth Proportional to 20,737,273.60, 31,105,910.40 and 19,981,446.40

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Solution

The fourth proportional to 20,737,273.60, 31,105,910.40 and 19,981,446.40 is: 29,972,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,737,273.60 : 31,105,910.40 = 19,981,446.40 : x
  2. Step 2: Convert to fraction form
    20,737,273.60/31,105,910.40 = 19,981,446.40/x
  3. Step 3: Cross multiply
    20,737,273.60x = 31,105,910.40 × 19,981,446.40
  4. Step 4: Simplify right side
    20,737,273.60x = 621,541,081,380,802.50
  5. Step 5: Solve for x
    x = 621,541,081,380,802.50/20,737,273.60
  6. Step 6: Final answer
    x = 29,972,169.60

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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.