Home / 18,242,789.29-25,175,051.21-9,982,853.33

Finding the Fourth Proportional to 18,242,789.29, 25,175,051.21 and 9,982,853.33

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Solution

The fourth proportional to 18,242,789.29, 25,175,051.21 and 9,982,853.33 is: 13,776,338.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,242,789.29 : 25,175,051.21 = 9,982,853.33 : x
  2. Step 2: Convert to fraction form
    18,242,789.29/25,175,051.21 = 9,982,853.33/x
  3. Step 3: Cross multiply
    18,242,789.29x = 25,175,051.21 × 9,982,853.33
  4. Step 4: Simplify right side
    18,242,789.29x = 251,318,843,628,879.47
  5. Step 5: Solve for x
    x = 251,318,843,628,879.47/18,242,789.29
  6. Step 6: Final answer
    x = 13,776,338.68

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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.