Home / 18,242,881.35-25,175,178.75-9,982,945.58

Finding the Fourth Proportional to 18,242,881.35, 25,175,178.75 and 9,982,945.58

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Solution

The fourth proportional to 18,242,881.35, 25,175,178.75 and 9,982,945.58 is: 13,776,466.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,242,881.35 : 25,175,178.75 = 9,982,945.58 : x
  2. Step 2: Convert to fraction form
    18,242,881.35/25,175,178.75 = 9,982,945.58/x
  3. Step 3: Cross multiply
    18,242,881.35x = 25,175,178.75 × 9,982,945.58
  4. Step 4: Simplify right side
    18,242,881.35x = 251,322,439,490,960.38
  5. Step 5: Solve for x
    x = 251,322,439,490,960.38/18,242,881.35
  6. Step 6: Final answer
    x = 13,776,466.26

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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.