Home / 7,874,112.12-11,812,816.53-3,325,174.80

Finding the Fourth Proportional to 7,874,112.12, 11,812,816.53 and 3,325,174.80

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Solution

The fourth proportional to 7,874,112.12, 11,812,816.53 and 3,325,174.80 is: 4,988,458.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,874,112.12 : 11,812,816.53 = 3,325,174.80 : x
  2. Step 2: Convert to fraction form
    7,874,112.12/11,812,816.53 = 3,325,174.80/x
  3. Step 3: Cross multiply
    7,874,112.12x = 11,812,816.53 × 3,325,174.80
  4. Step 4: Simplify right side
    7,874,112.12x = 39,279,679,842,579.44
  5. Step 5: Solve for x
    x = 39,279,679,842,579.44/7,874,112.12
  6. Step 6: Final answer
    x = 4,988,458.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.