Home / 12,252,143.20-18,378,214.80-8,850,920.80

Finding the Fourth Proportional to 12,252,143.20, 18,378,214.80 and 8,850,920.80

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Solution

The fourth proportional to 12,252,143.20, 18,378,214.80 and 8,850,920.80 is: 13,276,381.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,252,143.20 : 18,378,214.80 = 8,850,920.80 : x
  2. Step 2: Convert to fraction form
    12,252,143.20/18,378,214.80 = 8,850,920.80/x
  3. Step 3: Cross multiply
    12,252,143.20x = 18,378,214.80 × 8,850,920.80
  4. Step 4: Simplify right side
    12,252,143.20x = 162,664,123,640,187.88
  5. Step 5: Solve for x
    x = 162,664,123,640,187.88/12,252,143.20
  6. Step 6: Final answer
    x = 13,276,381.20

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1.5x scale

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.