Home / 20,952,609.80-28,914,311.22-11,785,258.76

Finding the Fourth Proportional to 20,952,609.80, 28,914,311.22 and 11,785,258.76

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Solution

The fourth proportional to 20,952,609.80, 28,914,311.22 and 11,785,258.76 is: 16,263,493.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,952,609.80 : 28,914,311.22 = 11,785,258.76 : x
  2. Step 2: Convert to fraction form
    20,952,609.80/28,914,311.22 = 11,785,258.76/x
  3. Step 3: Cross multiply
    20,952,609.80x = 28,914,311.22 × 11,785,258.76
  4. Step 4: Simplify right side
    20,952,609.80x = 340,762,639,594,871.25
  5. Step 5: Solve for x
    x = 340,762,639,594,871.25/20,952,609.80
  6. Step 6: Final answer
    x = 16,263,493.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.