Home / 20,066,412.96-27,691,729.20-10,899,208.80

Finding the Fourth Proportional to 20,066,412.96, 27,691,729.20 and 10,899,208.80

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Solution

The fourth proportional to 20,066,412.96, 27,691,729.20 and 10,899,208.80 is: 15,040,951.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,066,412.96 : 27,691,729.20 = 10,899,208.80 : x
  2. Step 2: Convert to fraction form
    20,066,412.96/27,691,729.20 = 10,899,208.80/x
  3. Step 3: Cross multiply
    20,066,412.96x = 27,691,729.20 × 10,899,208.80
  4. Step 4: Simplify right side
    20,066,412.96x = 301,817,938,583,857
  5. Step 5: Solve for x
    x = 301,817,938,583,857/20,066,412.96
  6. Step 6: Final answer
    x = 15,040,951.22

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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.