Home / 18,500,991.39-25,531,058.82-10,240,876.36

Finding the Fourth Proportional to 18,500,991.39, 25,531,058.82 and 10,240,876.36

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Solution

The fourth proportional to 18,500,991.39, 25,531,058.82 and 10,240,876.36 is: 14,132,238.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,500,991.39 : 25,531,058.82 = 10,240,876.36 : x
  2. Step 2: Convert to fraction form
    18,500,991.39/25,531,058.82 = 10,240,876.36/x
  3. Step 3: Cross multiply
    18,500,991.39x = 25,531,058.82 × 10,240,876.36
  4. Step 4: Simplify right side
    18,500,991.39x = 261,460,416,715,507.47
  5. Step 5: Solve for x
    x = 261,460,416,715,507.47/18,500,991.39
  6. Step 6: Final answer
    x = 14,132,238.17

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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.