Home / 18,173,320.52-25,081,896.66-11,654,310.92

Finding the Fourth Proportional to 18,173,320.52, 25,081,896.66 and 11,654,310.92

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Solution

The fourth proportional to 18,173,320.52, 25,081,896.66 and 11,654,310.92 is: 16,084,689.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,173,320.52 : 25,081,896.66 = 11,654,310.92 : x
  2. Step 2: Convert to fraction form
    18,173,320.52/25,081,896.66 = 11,654,310.92/x
  3. Step 3: Cross multiply
    18,173,320.52x = 25,081,896.66 × 11,654,310.92
  4. Step 4: Simplify right side
    18,173,320.52x = 292,312,222,138,949.50
  5. Step 5: Solve for x
    x = 292,312,222,138,949.50/18,173,320.52
  6. Step 6: Final answer
    x = 16,084,689.74

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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.