Home / 11,679,163.20-17,506,821.60-7,893,028.80

Finding the Fourth Proportional to 11,679,163.20, 17,506,821.60 and 7,893,028.80

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Solution

The fourth proportional to 11,679,163.20, 17,506,821.60 and 7,893,028.80 is: 11,831,485.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,679,163.20 : 17,506,821.60 = 7,893,028.80 : x
  2. Step 2: Convert to fraction form
    11,679,163.20/17,506,821.60 = 7,893,028.80/x
  3. Step 3: Cross multiply
    11,679,163.20x = 17,506,821.60 × 7,893,028.80
  4. Step 4: Simplify right side
    11,679,163.20x = 138,181,847,085,262.09
  5. Step 5: Solve for x
    x = 138,181,847,085,262.09/11,679,163.20
  6. Step 6: Final answer
    x = 11,831,485.25

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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.