Home / 13,338,930.72-20,035,179.68-7,958,094.24

Finding the Fourth Proportional to 13,338,930.72, 20,035,179.68 and 7,958,094.24

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Solution

The fourth proportional to 13,338,930.72, 20,035,179.68 and 7,958,094.24 is: 11,953,120.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338,930.72 : 20,035,179.68 = 7,958,094.24 : x
  2. Step 2: Convert to fraction form
    13,338,930.72/20,035,179.68 = 7,958,094.24/x
  3. Step 3: Cross multiply
    13,338,930.72x = 20,035,179.68 × 7,958,094.24
  4. Step 4: Simplify right side
    13,338,930.72x = 159,441,848,008,773.03
  5. Step 5: Solve for x
    x = 159,441,848,008,773.03/13,338,930.72
  6. Step 6: Final answer
    x = 11,953,120.63

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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.