Home / 18,940,932.68-28,415,607.78-8,838,042.44

Finding the Fourth Proportional to 18,940,932.68, 28,415,607.78 and 8,838,042.44

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Solution

The fourth proportional to 18,940,932.68, 28,415,607.78 and 8,838,042.44 is: 13,259,027.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,940,932.68 : 28,415,607.78 = 8,838,042.44 : x
  2. Step 2: Convert to fraction form
    18,940,932.68/28,415,607.78 = 8,838,042.44/x
  3. Step 3: Cross multiply
    18,940,932.68x = 28,415,607.78 × 8,838,042.44
  4. Step 4: Simplify right side
    18,940,932.68x = 251,138,347,518,034.19
  5. Step 5: Solve for x
    x = 251,138,347,518,034.19/18,940,932.68
  6. Step 6: Final answer
    x = 13,259,027.51

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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.