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Finding the Fourth Proportional to 27,288,052.20, 40,932,078.44 and 27,288,052.20

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Solution

The fourth proportional to 27,288,052.20, 40,932,078.44 and 27,288,052.20 is: 40,932,078.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,288,052.20 : 40,932,078.44 = 27,288,052.20 : x
  2. Step 2: Convert to fraction form
    27,288,052.20/40,932,078.44 = 27,288,052.20/x
  3. Step 3: Cross multiply
    27,288,052.20x = 40,932,078.44 × 27,288,052.20
  4. Step 4: Simplify right side
    27,288,052.20x = 1,116,956,692,988,774.38
  5. Step 5: Solve for x
    x = 1,116,956,692,988,774.38/27,288,052.20
  6. Step 6: Final answer
    x = 40,932,078.44

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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.