Home / 18,245,691.52-27,369,447.72-5,464,978.54

Finding the Fourth Proportional to 18,245,691.52, 27,369,447.72 and 5,464,978.54

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Solution

The fourth proportional to 18,245,691.52, 27,369,447.72 and 5,464,978.54 is: 8,197,740.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,245,691.52 : 27,369,447.72 = 5,464,978.54 : x
  2. Step 2: Convert to fraction form
    18,245,691.52/27,369,447.72 = 5,464,978.54/x
  3. Step 3: Cross multiply
    18,245,691.52x = 27,369,447.72 × 5,464,978.54
  4. Step 4: Simplify right side
    18,245,691.52x = 149,573,444,441,451.94
  5. Step 5: Solve for x
    x = 149,573,444,441,451.94/18,245,691.52
  6. Step 6: Final answer
    x = 8,197,740.51

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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.