Home / 18,242,881.60-25,175,179.09-9,982,945.83

Finding the Fourth Proportional to 18,242,881.60, 25,175,179.09 and 9,982,945.83

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Solution

The fourth proportional to 18,242,881.60, 25,175,179.09 and 9,982,945.83 is: 13,776,466.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,242,881.60 : 25,175,179.09 = 9,982,945.83 : x
  2. Step 2: Convert to fraction form
    18,242,881.60/25,175,179.09 = 9,982,945.83/x
  3. Step 3: Cross multiply
    18,242,881.60x = 25,175,179.09 × 9,982,945.83
  4. Step 4: Simplify right side
    18,242,881.60x = 251,322,449,116,018.69
  5. Step 5: Solve for x
    x = 251,322,449,116,018.69/18,242,881.60
  6. Step 6: Final answer
    x = 13,776,466.60

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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.