Home / 18,514,659.20-27,776,422.86-7,725,958.52

Finding the Fourth Proportional to 18,514,659.20, 27,776,422.86 and 7,725,958.52

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Solution

The fourth proportional to 18,514,659.20, 27,776,422.86 and 7,725,958.52 is: 11,590,788.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,514,659.20 : 27,776,422.86 = 7,725,958.52 : x
  2. Step 2: Convert to fraction form
    18,514,659.20/27,776,422.86 = 7,725,958.52/x
  3. Step 3: Cross multiply
    18,514,659.20x = 27,776,422.86 × 7,725,958.52
  4. Step 4: Simplify right side
    18,514,659.20x = 214,599,490,850,339.75
  5. Step 5: Solve for x
    x = 214,599,490,850,339.75/18,514,659.20
  6. Step 6: Final answer
    x = 11,590,788.06

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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.