Home / 13,486,570.15-20,229,855.23-8,942,749.60

Finding the Fourth Proportional to 13,486,570.15, 20,229,855.23 and 8,942,749.60

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Solution

The fourth proportional to 13,486,570.15, 20,229,855.23 and 8,942,749.60 is: 13,414,124.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,486,570.15 : 20,229,855.23 = 8,942,749.60 : x
  2. Step 2: Convert to fraction form
    13,486,570.15/20,229,855.23 = 8,942,749.60/x
  3. Step 3: Cross multiply
    13,486,570.15x = 20,229,855.23 × 8,942,749.60
  4. Step 4: Simplify right side
    13,486,570.15x = 180,910,529,766,140.41
  5. Step 5: Solve for x
    x = 180,910,529,766,140.41/13,486,570.15
  6. Step 6: Final answer
    x = 13,414,124.40

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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.