Home / 18,682,364.40-28,023,546.60-12,299,823.60

Finding the Fourth Proportional to 18,682,364.40, 28,023,546.60 and 12,299,823.60

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Solution

The fourth proportional to 18,682,364.40, 28,023,546.60 and 12,299,823.60 is: 18,449,735.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,682,364.40 : 28,023,546.60 = 12,299,823.60 : x
  2. Step 2: Convert to fraction form
    18,682,364.40/28,023,546.60 = 12,299,823.60/x
  3. Step 3: Cross multiply
    18,682,364.40x = 28,023,546.60 × 12,299,823.60
  4. Step 4: Simplify right side
    18,682,364.40x = 344,684,679,826,379.75
  5. Step 5: Solve for x
    x = 344,684,679,826,379.75/18,682,364.40
  6. Step 6: Final answer
    x = 18,449,735.40

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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.