Home / 30,218,768.28-41,683,732.38-18,452,664.54

Finding the Fourth Proportional to 30,218,768.28, 41,683,732.38 and 18,452,664.54

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Solution

The fourth proportional to 30,218,768.28, 41,683,732.38 and 18,452,664.54 is: 25,453,583.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,218,768.28 : 41,683,732.38 = 18,452,664.54 : x
  2. Step 2: Convert to fraction form
    30,218,768.28/41,683,732.38 = 18,452,664.54/x
  3. Step 3: Cross multiply
    30,218,768.28x = 41,683,732.38 × 18,452,664.54
  4. Step 4: Simplify right side
    30,218,768.28x = 769,175,930,383,275.88
  5. Step 5: Solve for x
    x = 769,175,930,383,275.88/30,218,768.28
  6. Step 6: Final answer
    x = 25,453,583.13

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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.