Home / 18,718,650.74-28,059,375.64-13,026,917.62

Finding the Fourth Proportional to 18,718,650.74, 28,059,375.64 and 13,026,917.62

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Solution

The fourth proportional to 18,718,650.74, 28,059,375.64 and 13,026,917.62 is: 19,527,431.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,718,650.74 : 28,059,375.64 = 13,026,917.62 : x
  2. Step 2: Convert to fraction form
    18,718,650.74/28,059,375.64 = 13,026,917.62/x
  3. Step 3: Cross multiply
    18,718,650.74x = 28,059,375.64 × 13,026,917.62
  4. Step 4: Simplify right side
    18,718,650.74x = 365,527,174,930,914.75
  5. Step 5: Solve for x
    x = 365,527,174,930,914.75/18,718,650.74
  6. Step 6: Final answer
    x = 19,527,431.76

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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.