Home / 18,751,191.88-28,267,331.27-17,501,267.56

Finding the Fourth Proportional to 18,751,191.88, 28,267,331.27 and 17,501,267.56

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Solution

The fourth proportional to 18,751,191.88, 28,267,331.27 and 17,501,267.56 is: 26,383,076.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,751,191.88 : 28,267,331.27 = 17,501,267.56 : x
  2. Step 2: Convert to fraction form
    18,751,191.88/28,267,331.27 = 17,501,267.56/x
  3. Step 3: Cross multiply
    18,751,191.88x = 28,267,331.27 × 17,501,267.56
  4. Step 4: Simplify right side
    18,751,191.88x = 494,714,127,763,424.56
  5. Step 5: Solve for x
    x = 494,714,127,763,424.56/18,751,191.88
  6. Step 6: Final answer
    x = 26,383,076.39

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.