Home / 20,542,659.08-28,348,520.98-11,375,105

Finding the Fourth Proportional to 20,542,659.08, 28,348,520.98 and 11,375,105

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Solution

The fourth proportional to 20,542,659.08, 28,348,520.98 and 11,375,105 is: 15,697,451.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,542,659.08 : 28,348,520.98 = 11,375,105 : x
  2. Step 2: Convert to fraction form
    20,542,659.08/28,348,520.98 = 11,375,105/x
  3. Step 3: Cross multiply
    20,542,659.08x = 28,348,520.98 × 11,375,105
  4. Step 4: Simplify right side
    20,542,659.08x = 322,467,402,742,202.88
  5. Step 5: Solve for x
    x = 322,467,402,742,202.88/20,542,659.08
  6. Step 6: Final answer
    x = 15,697,451.90

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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.