Home / 18,777,917.68-28,172,256.56-9,196,102.08

Finding the Fourth Proportional to 18,777,917.68, 28,172,256.56 and 9,196,102.08

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Solution

The fourth proportional to 18,777,917.68, 28,172,256.56 and 9,196,102.08 is: 13,796,787.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,777,917.68 : 28,172,256.56 = 9,196,102.08 : x
  2. Step 2: Convert to fraction form
    18,777,917.68/28,172,256.56 = 9,196,102.08/x
  3. Step 3: Cross multiply
    18,777,917.68x = 28,172,256.56 × 9,196,102.08
  4. Step 4: Simplify right side
    18,777,917.68x = 259,074,947,149,709.62
  5. Step 5: Solve for x
    x = 259,074,947,149,709.62/18,777,917.68
  6. Step 6: Final answer
    x = 13,796,787.88

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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.