Home / 20,287,764.54-30,431,644.97-8,928,213.17

Finding the Fourth Proportional to 20,287,764.54, 30,431,644.97 and 8,928,213.17

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Solution

The fourth proportional to 20,287,764.54, 30,431,644.97 and 8,928,213.17 is: 13,392,318.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,287,764.54 : 30,431,644.97 = 8,928,213.17 : x
  2. Step 2: Convert to fraction form
    20,287,764.54/30,431,644.97 = 8,928,213.17/x
  3. Step 3: Cross multiply
    20,287,764.54x = 30,431,644.97 × 8,928,213.17
  4. Step 4: Simplify right side
    20,287,764.54x = 271,700,213,209,118.94
  5. Step 5: Solve for x
    x = 271,700,213,209,118.94/20,287,764.54
  6. Step 6: Final answer
    x = 13,392,318.94

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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.