Home / 20,329,384-28,054,467.96-11,627,544.28

Finding the Fourth Proportional to 20,329,384, 28,054,467.96 and 11,627,544.28

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Solution

The fourth proportional to 20,329,384, 28,054,467.96 and 11,627,544.28 is: 16,045,964.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,329,384 : 28,054,467.96 = 11,627,544.28 : x
  2. Step 2: Convert to fraction form
    20,329,384/28,054,467.96 = 11,627,544.28/x
  3. Step 3: Cross multiply
    20,329,384x = 28,054,467.96 × 11,627,544.28
  4. Step 4: Simplify right side
    20,329,384x = 326,204,568,456,741.25
  5. Step 5: Solve for x
    x = 326,204,568,456,741.25/20,329,384
  6. Step 6: Final answer
    x = 16,045,964.23

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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.