Home / 7,136,721.40-9,848,686.32-3,873,537.30

Finding the Fourth Proportional to 7,136,721.40, 9,848,686.32 and 3,873,537.30

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Solution

The fourth proportional to 7,136,721.40, 9,848,686.32 and 3,873,537.30 is: 5,345,487.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136,721.40 : 9,848,686.32 = 3,873,537.30 : x
  2. Step 2: Convert to fraction form
    7,136,721.40/9,848,686.32 = 3,873,537.30/x
  3. Step 3: Cross multiply
    7,136,721.40x = 9,848,686.32 × 3,873,537.30
  4. Step 4: Simplify right side
    7,136,721.40x = 38,149,253,816,519.73
  5. Step 5: Solve for x
    x = 38,149,253,816,519.73/7,136,721.40
  6. Step 6: Final answer
    x = 5,345,487.33

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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.