Home / 20,165,517.84-30,240,865.68-7,208,172.04

Finding the Fourth Proportional to 20,165,517.84, 30,240,865.68 and 7,208,172.04

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Solution

The fourth proportional to 20,165,517.84, 30,240,865.68 and 7,208,172.04 is: 10,809,608.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,165,517.84 : 30,240,865.68 = 7,208,172.04 : x
  2. Step 2: Convert to fraction form
    20,165,517.84/30,240,865.68 = 7,208,172.04/x
  3. Step 3: Cross multiply
    20,165,517.84x = 30,240,865.68 × 7,208,172.04
  4. Step 4: Simplify right side
    20,165,517.84x = 217,981,362,459,971.59
  5. Step 5: Solve for x
    x = 217,981,362,459,971.59/20,165,517.84
  6. Step 6: Final answer
    x = 10,809,608.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.