Home / 18,693,057.25-28,049,464.82-13,263,243.08

Finding the Fourth Proportional to 18,693,057.25, 28,049,464.82 and 13,263,243.08

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Solution

The fourth proportional to 18,693,057.25, 28,049,464.82 and 13,263,243.08 is: 19,901,874.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,693,057.25 : 28,049,464.82 = 13,263,243.08 : x
  2. Step 2: Convert to fraction form
    18,693,057.25/28,049,464.82 = 13,263,243.08/x
  3. Step 3: Cross multiply
    18,693,057.25x = 28,049,464.82 × 13,263,243.08
  4. Step 4: Simplify right side
    18,693,057.25x = 372,026,870,220,204.44
  5. Step 5: Solve for x
    x = 372,026,870,220,204.44/18,693,057.25
  6. Step 6: Final answer
    x = 19,901,874.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.