Home / 12,456,033.21-18,682,442.78-3,937,230.81

Finding the Fourth Proportional to 12,456,033.21, 18,682,442.78 and 3,937,230.81

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Solution

The fourth proportional to 12,456,033.21, 18,682,442.78 and 3,937,230.81 is: 5,905,338.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,456,033.21 : 18,682,442.78 = 3,937,230.81 : x
  2. Step 2: Convert to fraction form
    12,456,033.21/18,682,442.78 = 3,937,230.81/x
  3. Step 3: Cross multiply
    12,456,033.21x = 18,682,442.78 × 3,937,230.81
  4. Step 4: Simplify right side
    12,456,033.21x = 73,557,089,299,791.89
  5. Step 5: Solve for x
    x = 73,557,089,299,791.89/12,456,033.21
  6. Step 6: Final answer
    x = 5,905,338.25

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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.