Home / 20,508,481.41-28,183,338.29-19,560,080.76

Finding the Fourth Proportional to 20,508,481.41, 28,183,338.29 and 19,560,080.76

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Solution

The fourth proportional to 20,508,481.41, 28,183,338.29 and 19,560,080.76 is: 26,880,019.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,508,481.41 : 28,183,338.29 = 19,560,080.76 : x
  2. Step 2: Convert to fraction form
    20,508,481.41/28,183,338.29 = 19,560,080.76/x
  3. Step 3: Cross multiply
    20,508,481.41x = 28,183,338.29 × 19,560,080.76
  4. Step 4: Simplify right side
    20,508,481.41x = 551,268,372,940,999.94
  5. Step 5: Solve for x
    x = 551,268,372,940,999.94/20,508,481.41
  6. Step 6: Final answer
    x = 26,880,019.15

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.