Home / 20,333,659.27-28,059,439.44-11,511,738.67

Finding the Fourth Proportional to 20,333,659.27, 28,059,439.44 and 11,511,738.67

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Solution

The fourth proportional to 20,333,659.27, 28,059,439.44 and 11,511,738.67 is: 15,885,627.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,333,659.27 : 28,059,439.44 = 11,511,738.67 : x
  2. Step 2: Convert to fraction form
    20,333,659.27/28,059,439.44 = 11,511,738.67/x
  3. Step 3: Cross multiply
    20,333,659.27x = 28,059,439.44 × 11,511,738.67
  4. Step 4: Simplify right side
    20,333,659.27x = 323,012,934,032,991.62
  5. Step 5: Solve for x
    x = 323,012,934,032,991.62/20,333,659.27
  6. Step 6: Final answer
    x = 15,885,627.36

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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.