Home / 20,229,617.96-27,919,429.44-13,266,153.94

Finding the Fourth Proportional to 20,229,617.96, 27,919,429.44 and 13,266,153.94

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Solution

The fourth proportional to 20,229,617.96, 27,919,429.44 and 13,266,153.94 is: 18,308,969.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229,617.96 : 27,919,429.44 = 13,266,153.94 : x
  2. Step 2: Convert to fraction form
    20,229,617.96/27,919,429.44 = 13,266,153.94/x
  3. Step 3: Cross multiply
    20,229,617.96x = 27,919,429.44 × 13,266,153.94
  4. Step 4: Simplify right side
    20,229,617.96x = 370,383,448,868,008
  5. Step 5: Solve for x
    x = 370,383,448,868,008/20,229,617.96
  6. Step 6: Final answer
    x = 18,308,969.04

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1.5x scale

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.