Home / 13,529,660.09-20,292,329.78-3,942,796.15

Finding the Fourth Proportional to 13,529,660.09, 20,292,329.78 and 3,942,796.15

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Solution

The fourth proportional to 13,529,660.09, 20,292,329.78 and 3,942,796.15 is: 5,913,564.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529,660.09 : 20,292,329.78 = 3,942,796.15 : x
  2. Step 2: Convert to fraction form
    13,529,660.09/20,292,329.78 = 3,942,796.15/x
  3. Step 3: Cross multiply
    13,529,660.09x = 20,292,329.78 × 3,942,796.15
  4. Step 4: Simplify right side
    13,529,660.09x = 80,008,519,609,938.72
  5. Step 5: Solve for x
    x = 80,008,519,609,938.72/13,529,660.09
  6. Step 6: Final answer
    x = 5,913,564.65

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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.