Home / 13,628,158.70-20,451,328.78-7,068,912.86

Finding the Fourth Proportional to 13,628,158.70, 20,451,328.78 and 7,068,912.86

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Solution

The fourth proportional to 13,628,158.70, 20,451,328.78 and 7,068,912.86 is: 10,608,084.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,628,158.70 : 20,451,328.78 = 7,068,912.86 : x
  2. Step 2: Convert to fraction form
    13,628,158.70/20,451,328.78 = 7,068,912.86/x
  3. Step 3: Cross multiply
    13,628,158.70x = 20,451,328.78 × 7,068,912.86
  4. Step 4: Simplify right side
    13,628,158.70x = 144,568,660,897,101.19
  5. Step 5: Solve for x
    x = 144,568,660,897,101.19/13,628,158.70
  6. Step 6: Final answer
    x = 10,608,084.64

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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.