Home / 28,494,057.80-42,745,233.90-9,320,169.80

Finding the Fourth Proportional to 28,494,057.80, 42,745,233.90 and 9,320,169.80

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Solution

The fourth proportional to 28,494,057.80, 42,745,233.90 and 9,320,169.80 is: 13,981,611.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,494,057.80 : 42,745,233.90 = 9,320,169.80 : x
  2. Step 2: Convert to fraction form
    28,494,057.80/42,745,233.90 = 9,320,169.80/x
  3. Step 3: Cross multiply
    28,494,057.80x = 42,745,233.90 × 9,320,169.80
  4. Step 4: Simplify right side
    28,494,057.80x = 398,392,838,088,716.25
  5. Step 5: Solve for x
    x = 398,392,838,088,716.25/28,494,057.80
  6. Step 6: Final answer
    x = 13,981,611.21

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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.