Home / 18,042,538.44-26,999,157.44-15,622,042.17

Finding the Fourth Proportional to 18,042,538.44, 26,999,157.44 and 15,622,042.17

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Solution

The fourth proportional to 18,042,538.44, 26,999,157.44 and 15,622,042.17 is: 23,377,086.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,042,538.44 : 26,999,157.44 = 15,622,042.17 : x
  2. Step 2: Convert to fraction form
    18,042,538.44/26,999,157.44 = 15,622,042.17/x
  3. Step 3: Cross multiply
    18,042,538.44x = 26,999,157.44 × 15,622,042.17
  4. Step 4: Simplify right side
    18,042,538.44x = 421,781,976,121,204.31
  5. Step 5: Solve for x
    x = 421,781,976,121,204.31/18,042,538.44
  6. Step 6: Final answer
    x = 23,377,086.19

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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.