Home / 15,787,005.77-21,786,067.76-8,543,661.77

Finding the Fourth Proportional to 15,787,005.77, 21,786,067.76 and 8,543,661.77

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Solution

The fourth proportional to 15,787,005.77, 21,786,067.76 and 8,543,661.77 is: 11,790,253.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,787,005.77 : 21,786,067.76 = 8,543,661.77 : x
  2. Step 2: Convert to fraction form
    15,787,005.77/21,786,067.76 = 8,543,661.77/x
  3. Step 3: Cross multiply
    15,787,005.77x = 21,786,067.76 × 8,543,661.77
  4. Step 4: Simplify right side
    15,787,005.77x = 186,132,794,088,092.91
  5. Step 5: Solve for x
    x = 186,132,794,088,092.91/15,787,005.77
  6. Step 6: Final answer
    x = 11,790,253.13

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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.