Home / 7,136,535.78-9,848,428.60-3,873,350.16

Finding the Fourth Proportional to 7,136,535.78, 9,848,428.60 and 3,873,350.16

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Solution

The fourth proportional to 7,136,535.78, 9,848,428.60 and 3,873,350.16 is: 5,345,228.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136,535.78 : 9,848,428.60 = 3,873,350.16 : x
  2. Step 2: Convert to fraction form
    7,136,535.78/9,848,428.60 = 3,873,350.16/x
  3. Step 3: Cross multiply
    7,136,535.78x = 9,848,428.60 × 3,873,350.16
  4. Step 4: Simplify right side
    7,136,535.78x = 38,146,412,493,558.58
  5. Step 5: Solve for x
    x = 38,146,412,493,558.58/7,136,535.78
  6. Step 6: Final answer
    x = 5,345,228.23

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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.