Home / 12,135,622.60-18,203,433.90-11,211,833.80

Finding the Fourth Proportional to 12,135,622.60, 18,203,433.90 and 11,211,833.80

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Solution

The fourth proportional to 12,135,622.60, 18,203,433.90 and 11,211,833.80 is: 16,817,750.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,135,622.60 : 18,203,433.90 = 11,211,833.80 : x
  2. Step 2: Convert to fraction form
    12,135,622.60/18,203,433.90 = 11,211,833.80/x
  3. Step 3: Cross multiply
    12,135,622.60x = 18,203,433.90 × 11,211,833.80
  4. Step 4: Simplify right side
    12,135,622.60x = 204,093,875,476,085.81
  5. Step 5: Solve for x
    x = 204,093,875,476,085.81/12,135,622.60
  6. Step 6: Final answer
    x = 16,817,750.70

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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.