Home / 22,453,957.80-30,979,387.62-13,743,049.32

Finding the Fourth Proportional to 22,453,957.80, 30,979,387.62 and 13,743,049.32

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Solution

The fourth proportional to 22,453,957.80, 30,979,387.62 and 13,743,049.32 is: 18,961,078.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,453,957.80 : 30,979,387.62 = 13,743,049.32 : x
  2. Step 2: Convert to fraction form
    22,453,957.80/30,979,387.62 = 13,743,049.32/x
  3. Step 3: Cross multiply
    22,453,957.80x = 30,979,387.62 × 13,743,049.32
  4. Step 4: Simplify right side
    22,453,957.80x = 425,751,251,965,057.44
  5. Step 5: Solve for x
    x = 425,751,251,965,057.44/22,453,957.80
  6. Step 6: Final answer
    x = 18,961,078.30

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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.