Home / 20,837,336.77-28,755,524.74-11,669,979.52

Finding the Fourth Proportional to 20,837,336.77, 28,755,524.74 and 11,669,979.52

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Solution

The fourth proportional to 20,837,336.77, 28,755,524.74 and 11,669,979.52 is: 16,104,571.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,837,336.77 : 28,755,524.74 = 11,669,979.52 : x
  2. Step 2: Convert to fraction form
    20,837,336.77/28,755,524.74 = 11,669,979.52/x
  3. Step 3: Cross multiply
    20,837,336.77x = 28,755,524.74 × 11,669,979.52
  4. Step 4: Simplify right side
    20,837,336.77x = 335,576,384,802,653.31
  5. Step 5: Solve for x
    x = 335,576,384,802,653.31/20,837,336.77
  6. Step 6: Final answer
    x = 16,104,571.74

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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.