Home / 20,654,930.79-30,954,052.38-13,068,315.27

Finding the Fourth Proportional to 20,654,930.79, 30,954,052.38 and 13,068,315.27

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Solution

The fourth proportional to 20,654,930.79, 30,954,052.38 and 13,068,315.27 is: 19,584,539.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,654,930.79 : 30,954,052.38 = 13,068,315.27 : x
  2. Step 2: Convert to fraction form
    20,654,930.79/30,954,052.38 = 13,068,315.27/x
  3. Step 3: Cross multiply
    20,654,930.79x = 30,954,052.38 × 13,068,315.27
  4. Step 4: Simplify right side
    20,654,930.79x = 404,517,315,385,933.81
  5. Step 5: Solve for x
    x = 404,517,315,385,933.81/20,654,930.79
  6. Step 6: Final answer
    x = 19,584,539.86

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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.