Home / 18,591,908.80-27,887,863.20-8,514,212.80

Finding the Fourth Proportional to 18,591,908.80, 27,887,863.20 and 8,514,212.80

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Solution

The fourth proportional to 18,591,908.80, 27,887,863.20 and 8,514,212.80 is: 12,771,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,591,908.80 : 27,887,863.20 = 8,514,212.80 : x
  2. Step 2: Convert to fraction form
    18,591,908.80/27,887,863.20 = 8,514,212.80/x
  3. Step 3: Cross multiply
    18,591,908.80x = 27,887,863.20 × 8,514,212.80
  4. Step 4: Simplify right side
    18,591,908.80x = 237,443,201,822,088.97
  5. Step 5: Solve for x
    x = 237,443,201,822,088.97/18,591,908.80
  6. Step 6: Final answer
    x = 12,771,319.20

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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.