Home / 19,971,164.40-29,936,079.45-10,853,998.80

Finding the Fourth Proportional to 19,971,164.40, 29,936,079.45 and 10,853,998.80

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Solution

The fourth proportional to 19,971,164.40, 29,936,079.45 and 10,853,998.80 is: 16,269,765.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,971,164.40 : 29,936,079.45 = 10,853,998.80 : x
  2. Step 2: Convert to fraction form
    19,971,164.40/29,936,079.45 = 10,853,998.80/x
  3. Step 3: Cross multiply
    19,971,164.40x = 29,936,079.45 × 10,853,998.80
  4. Step 4: Simplify right side
    19,971,164.40x = 324,926,170,427,004.69
  5. Step 5: Solve for x
    x = 324,926,170,427,004.69/19,971,164.40
  6. Step 6: Final answer
    x = 16,269,765.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.