Home / 7,130,185.70-9,840,914.01-4,231,175.04

Finding the Fourth Proportional to 7,130,185.70, 9,840,914.01 and 4,231,175.04

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Solution

The fourth proportional to 7,130,185.70, 9,840,914.01 and 4,231,175.04 is: 5,839,767.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130,185.70 : 9,840,914.01 = 4,231,175.04 : x
  2. Step 2: Convert to fraction form
    7,130,185.70/9,840,914.01 = 4,231,175.04/x
  3. Step 3: Cross multiply
    7,130,185.70x = 9,840,914.01 × 4,231,175.04
  4. Step 4: Simplify right side
    7,130,185.70x = 41,638,629,743,922.66
  5. Step 5: Solve for x
    x = 41,638,629,743,922.66/7,130,185.70
  6. Step 6: Final answer
    x = 5,839,767.93

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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.