Home / 13,935,779.25-19,231,375.41-7,824,338.97

Finding the Fourth Proportional to 13,935,779.25, 19,231,375.41 and 7,824,338.97

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Solution

The fourth proportional to 13,935,779.25, 19,231,375.41 and 7,824,338.97 is: 10,797,587.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,935,779.25 : 19,231,375.41 = 7,824,338.97 : x
  2. Step 2: Convert to fraction form
    13,935,779.25/19,231,375.41 = 7,824,338.97/x
  3. Step 3: Cross multiply
    13,935,779.25x = 19,231,375.41 × 7,824,338.97
  4. Step 4: Simplify right side
    13,935,779.25x = 150,472,800,067,162.72
  5. Step 5: Solve for x
    x = 150,472,800,067,162.72/13,935,779.25
  6. Step 6: Final answer
    x = 10,797,587.80

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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.