Home / 7,136,972.82-9,848,758.55-3,873,717.32

Finding the Fourth Proportional to 7,136,972.82, 9,848,758.55 and 3,873,717.32

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Solution

The fourth proportional to 7,136,972.82, 9,848,758.55 and 3,873,717.32 is: 5,345,586.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136,972.82 : 9,848,758.55 = 3,873,717.32 : x
  2. Step 2: Convert to fraction form
    7,136,972.82/9,848,758.55 = 3,873,717.32/x
  3. Step 3: Cross multiply
    7,136,972.82x = 9,848,758.55 × 3,873,717.32
  4. Step 4: Simplify right side
    7,136,972.82x = 38,151,306,507,020.70
  5. Step 5: Solve for x
    x = 38,151,306,507,020.70/7,136,972.82
  6. Step 6: Final answer
    x = 5,345,586.63

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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.