Home / 10,969,806.40-16,454,709.60-8,259,457.30

Finding the Fourth Proportional to 10,969,806.40, 16,454,709.60 and 8,259,457.30

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Solution

The fourth proportional to 10,969,806.40, 16,454,709.60 and 8,259,457.30 is: 12,389,185.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,969,806.40 : 16,454,709.60 = 8,259,457.30 : x
  2. Step 2: Convert to fraction form
    10,969,806.40/16,454,709.60 = 8,259,457.30/x
  3. Step 3: Cross multiply
    10,969,806.40x = 16,454,709.60 × 8,259,457.30
  4. Step 4: Simplify right side
    10,969,806.40x = 135,906,971,325,100.08
  5. Step 5: Solve for x
    x = 135,906,971,325,100.08/10,969,806.40
  6. Step 6: Final answer
    x = 12,389,185.95

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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.