Home / 20,489,027.10-30,733,540.65-19,313,295.90

Finding the Fourth Proportional to 20,489,027.10, 30,733,540.65 and 19,313,295.90

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Solution

The fourth proportional to 20,489,027.10, 30,733,540.65 and 19,313,295.90 is: 28,969,943.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,489,027.10 : 30,733,540.65 = 19,313,295.90 : x
  2. Step 2: Convert to fraction form
    20,489,027.10/30,733,540.65 = 19,313,295.90/x
  3. Step 3: Cross multiply
    20,489,027.10x = 30,733,540.65 × 19,313,295.90
  4. Step 4: Simplify right side
    20,489,027.10x = 593,565,964,628,128.25
  5. Step 5: Solve for x
    x = 593,565,964,628,128.25/20,489,027.10
  6. Step 6: Final answer
    x = 28,969,943.85

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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.