Home / 30,372,972.28-41,920,157.89-17,146,180.81

Finding the Fourth Proportional to 30,372,972.28, 41,920,157.89 and 17,146,180.81

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Solution

The fourth proportional to 30,372,972.28, 41,920,157.89 and 17,146,180.81 is: 23,664,809.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,372,972.28 : 41,920,157.89 = 17,146,180.81 : x
  2. Step 2: Convert to fraction form
    30,372,972.28/41,920,157.89 = 17,146,180.81/x
  3. Step 3: Cross multiply
    30,372,972.28x = 41,920,157.89 × 17,146,180.81
  4. Step 4: Simplify right side
    30,372,972.28x = 718,770,606,614,486.75
  5. Step 5: Solve for x
    x = 718,770,606,614,486.75/30,372,972.28
  6. Step 6: Final answer
    x = 23,664,809.62

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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.