Home / 38,897,802.18-58,356,791.42-20,687,022.54

Finding the Fourth Proportional to 38,897,802.18, 58,356,791.42 and 20,687,022.54

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Solution

The fourth proportional to 38,897,802.18, 58,356,791.42 and 20,687,022.54 is: 31,035,898.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,897,802.18 : 58,356,791.42 = 20,687,022.54 : x
  2. Step 2: Convert to fraction form
    38,897,802.18/58,356,791.42 = 20,687,022.54/x
  3. Step 3: Cross multiply
    38,897,802.18x = 58,356,791.42 × 20,687,022.54
  4. Step 4: Simplify right side
    38,897,802.18x = 1,207,228,259,364,183.50
  5. Step 5: Solve for x
    x = 1,207,228,259,364,183.50/38,897,802.18
  6. Step 6: Final answer
    x = 31,035,898.99

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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.