Home / 20,027,628.80-27,641,666.32-11,767,689.44

Finding the Fourth Proportional to 20,027,628.80, 27,641,666.32 and 11,767,689.44

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Solution

The fourth proportional to 20,027,628.80, 27,641,666.32 and 11,767,689.44 is: 16,241,490.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,027,628.80 : 27,641,666.32 = 11,767,689.44 : x
  2. Step 2: Convert to fraction form
    20,027,628.80/27,641,666.32 = 11,767,689.44/x
  3. Step 3: Cross multiply
    20,027,628.80x = 27,641,666.32 × 11,767,689.44
  4. Step 4: Simplify right side
    20,027,628.80x = 325,278,544,857,867.62
  5. Step 5: Solve for x
    x = 325,278,544,857,867.62/20,027,628.80
  6. Step 6: Final answer
    x = 16,241,490.60

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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.