Home / 18,120,954.62-25,006,920.82-9,972,192.62

Finding the Fourth Proportional to 18,120,954.62, 25,006,920.82 and 9,972,192.62

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Solution

The fourth proportional to 18,120,954.62, 25,006,920.82 and 9,972,192.62 is: 13,761,627.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,120,954.62 : 25,006,920.82 = 9,972,192.62 : x
  2. Step 2: Convert to fraction form
    18,120,954.62/25,006,920.82 = 9,972,192.62/x
  3. Step 3: Cross multiply
    18,120,954.62x = 25,006,920.82 × 9,972,192.62
  4. Step 4: Simplify right side
    18,120,954.62x = 249,373,831,250,128.34
  5. Step 5: Solve for x
    x = 249,373,831,250,128.34/18,120,954.62
  6. Step 6: Final answer
    x = 13,761,627.71

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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.