Home / 7,182,843.98-9,912,535.38-3,919,869.41

Finding the Fourth Proportional to 7,182,843.98, 9,912,535.38 and 3,919,869.41

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Solution

The fourth proportional to 7,182,843.98, 9,912,535.38 and 3,919,869.41 is: 5,409,534.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182,843.98 : 9,912,535.38 = 3,919,869.41 : x
  2. Step 2: Convert to fraction form
    7,182,843.98/9,912,535.38 = 3,919,869.41/x
  3. Step 3: Cross multiply
    7,182,843.98x = 9,912,535.38 × 3,919,869.41
  4. Step 4: Simplify right side
    7,182,843.98x = 38,855,844,162,042.05
  5. Step 5: Solve for x
    x = 38,855,844,162,042.05/7,182,843.98
  6. Step 6: Final answer
    x = 5,409,534.76

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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.