Home / 12,632,622.30-18,913,504.05-12,278,328.30

Finding the Fourth Proportional to 12,632,622.30, 18,913,504.05 and 12,278,328.30

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Solution

The fourth proportional to 12,632,622.30, 18,913,504.05 and 12,278,328.30 is: 18,383,056.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,632,622.30 : 18,913,504.05 = 12,278,328.30 : x
  2. Step 2: Convert to fraction form
    12,632,622.30/18,913,504.05 = 12,278,328.30/x
  3. Step 3: Cross multiply
    12,632,622.30x = 18,913,504.05 × 12,278,328.30
  4. Step 4: Simplify right side
    12,632,622.30x = 232,226,212,029,279.62
  5. Step 5: Solve for x
    x = 232,226,212,029,279.62/12,632,622.30
  6. Step 6: Final answer
    x = 18,383,056.70

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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.