Home / 7,137,049.88-9,849,136.81-3,873,863.73

Finding the Fourth Proportional to 7,137,049.88, 9,849,136.81 and 3,873,863.73

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Solution

The fourth proportional to 7,137,049.88, 9,849,136.81 and 3,873,863.73 is: 5,345,936.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137,049.88 : 9,849,136.81 = 3,873,863.73 : x
  2. Step 2: Convert to fraction form
    7,137,049.88/9,849,136.81 = 3,873,863.73/x
  3. Step 3: Cross multiply
    7,137,049.88x = 9,849,136.81 × 3,873,863.73
  4. Step 4: Simplify right side
    7,137,049.88x = 38,154,213,828,283.36
  5. Step 5: Solve for x
    x = 38,154,213,828,283.36/7,137,049.88
  6. Step 6: Final answer
    x = 5,345,936.27

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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.