Home / 12,188,572.41-18,285,247.17-4,512,280.17

Finding the Fourth Proportional to 12,188,572.41, 18,285,247.17 and 4,512,280.17

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Solution

The fourth proportional to 12,188,572.41, 18,285,247.17 and 4,512,280.17 is: 6,769,304.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,188,572.41 : 18,285,247.17 = 4,512,280.17 : x
  2. Step 2: Convert to fraction form
    12,188,572.41/18,285,247.17 = 4,512,280.17/x
  3. Step 3: Cross multiply
    12,188,572.41x = 18,285,247.17 × 4,512,280.17
  4. Step 4: Simplify right side
    12,188,572.41x = 82,508,158,208,739.62
  5. Step 5: Solve for x
    x = 82,508,158,208,739.62/12,188,572.41
  6. Step 6: Final answer
    x = 6,769,304.51

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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.