Home / 20,063,795.78-27,690,401.86-11,915,033.78

Finding the Fourth Proportional to 20,063,795.78, 27,690,401.86 and 11,915,033.78

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Solution

The fourth proportional to 20,063,795.78, 27,690,401.86 and 11,915,033.78 is: 16,444,150.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,063,795.78 : 27,690,401.86 = 11,915,033.78 : x
  2. Step 2: Convert to fraction form
    20,063,795.78/27,690,401.86 = 11,915,033.78/x
  3. Step 3: Cross multiply
    20,063,795.78x = 27,690,401.86 × 11,915,033.78
  4. Step 4: Simplify right side
    20,063,795.78x = 329,932,073,543,674.81
  5. Step 5: Solve for x
    x = 329,932,073,543,674.81/20,063,795.78
  6. Step 6: Final answer
    x = 16,444,150.31

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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.