Home / 19,498,221.20-26,899,208.52-11,758,863.44

Finding the Fourth Proportional to 19,498,221.20, 26,899,208.52 and 11,758,863.44

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Solution

The fourth proportional to 19,498,221.20, 26,899,208.52 and 11,758,863.44 is: 16,222,203.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,498,221.20 : 26,899,208.52 = 11,758,863.44 : x
  2. Step 2: Convert to fraction form
    19,498,221.20/26,899,208.52 = 11,758,863.44/x
  3. Step 3: Cross multiply
    19,498,221.20x = 26,899,208.52 × 11,758,863.44
  4. Step 4: Simplify right side
    19,498,221.20x = 316,304,119,630,764.50
  5. Step 5: Solve for x
    x = 316,304,119,630,764.50/19,498,221.20
  6. Step 6: Final answer
    x = 16,222,203.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.