Home / 20,118,660.66-27,764,422.32-11,299,666.04

Finding the Fourth Proportional to 20,118,660.66, 27,764,422.32 and 11,299,666.04

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Solution

The fourth proportional to 20,118,660.66, 27,764,422.32 and 11,299,666.04 is: 15,593,915.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,118,660.66 : 27,764,422.32 = 11,299,666.04 : x
  2. Step 2: Convert to fraction form
    20,118,660.66/27,764,422.32 = 11,299,666.04/x
  3. Step 3: Cross multiply
    20,118,660.66x = 27,764,422.32 × 11,299,666.04
  4. Step 4: Simplify right side
    20,118,660.66x = 313,728,699,998,908.25
  5. Step 5: Solve for x
    x = 313,728,699,998,908.25/20,118,660.66
  6. Step 6: Final answer
    x = 15,593,915.78

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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.