Home / 20,512,290.66-28,307,046.39-11,093,081.64

Finding the Fourth Proportional to 20,512,290.66, 28,307,046.39 and 11,093,081.64

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Solution

The fourth proportional to 20,512,290.66, 28,307,046.39 and 11,093,081.64 is: 15,308,498.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,512,290.66 : 28,307,046.39 = 11,093,081.64 : x
  2. Step 2: Convert to fraction form
    20,512,290.66/28,307,046.39 = 11,093,081.64/x
  3. Step 3: Cross multiply
    20,512,290.66x = 28,307,046.39 × 11,093,081.64
  4. Step 4: Simplify right side
    20,512,290.66x = 314,012,376,657,614.12
  5. Step 5: Solve for x
    x = 314,012,376,657,614.12/20,512,290.66
  6. Step 6: Final answer
    x = 15,308,498.79

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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.