Home / 15,067,519,885.38-20,782,591,174.38-9,915,926,016.06

Finding the Fourth Proportional to 15,067,519,885.38, 20,782,591,174.38 and 9,915,926,016.06

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Solution

The fourth proportional to 15,067,519,885.38, 20,782,591,174.38 and 9,915,926,016.06 is: 13,677,011,085.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,067,519,885.38 : 20,782,591,174.38 = 9,915,926,016.06 : x
  2. Step 2: Convert to fraction form
    15,067,519,885.38/20,782,591,174.38 = 9,915,926,016.06/x
  3. Step 3: Cross multiply
    15,067,519,885.38x = 20,782,591,174.38 × 9,915,926,016.06
  4. Step 4: Simplify right side
    15,067,519,885.38x = 206,078,636,507,173,584,896
  5. Step 5: Solve for x
    x = 206,078,636,507,173,584,896/15,067,519,885.38
  6. Step 6: Final answer
    x = 13,677,011,085.75

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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.