Home / 20,573,591.77-30,867,247.85-13,684,231.28

Finding the Fourth Proportional to 20,573,591.77, 30,867,247.85 and 13,684,231.28

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Solution

The fourth proportional to 20,573,591.77, 30,867,247.85 and 13,684,231.28 is: 20,530,909.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,573,591.77 : 30,867,247.85 = 13,684,231.28 : x
  2. Step 2: Convert to fraction form
    20,573,591.77/30,867,247.85 = 13,684,231.28/x
  3. Step 3: Cross multiply
    20,573,591.77x = 30,867,247.85 × 13,684,231.28
  4. Step 4: Simplify right side
    20,573,591.77x = 422,394,558,692,763.25
  5. Step 5: Solve for x
    x = 422,394,558,692,763.25/20,573,591.77
  6. Step 6: Final answer
    x = 20,530,909.88

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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.