Home / 12,297,937.20-18,449,670.60-7,246,647.60

Finding the Fourth Proportional to 12,297,937.20, 18,449,670.60 and 7,246,647.60

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Solution

The fourth proportional to 12,297,937.20, 18,449,670.60 and 7,246,647.60 is: 10,871,600.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,297,937.20 : 18,449,670.60 = 7,246,647.60 : x
  2. Step 2: Convert to fraction form
    12,297,937.20/18,449,670.60 = 7,246,647.60/x
  3. Step 3: Cross multiply
    12,297,937.20x = 18,449,670.60 × 7,246,647.60
  4. Step 4: Simplify right side
    12,297,937.20x = 133,698,261,174,280.56
  5. Step 5: Solve for x
    x = 133,698,261,174,280.56/12,297,937.20
  6. Step 6: Final answer
    x = 10,871,600.58

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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.