Home / 20,213,635.33-27,894,816.77-11,512,617.56

Finding the Fourth Proportional to 20,213,635.33, 27,894,816.77 and 11,512,617.56

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Solution

The fourth proportional to 20,213,635.33, 27,894,816.77 and 11,512,617.56 is: 15,887,412.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,213,635.33 : 27,894,816.77 = 11,512,617.56 : x
  2. Step 2: Convert to fraction form
    20,213,635.33/27,894,816.77 = 11,512,617.56/x
  3. Step 3: Cross multiply
    20,213,635.33x = 27,894,816.77 × 11,512,617.56
  4. Step 4: Simplify right side
    20,213,635.33x = 321,142,357,182,247.31
  5. Step 5: Solve for x
    x = 321,142,357,182,247.31/20,213,635.33
  6. Step 6: Final answer
    x = 15,887,412.23

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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.