Home / 12,067,983.20-18,101,974.80-4,089,807.20

Finding the Fourth Proportional to 12,067,983.20, 18,101,974.80 and 4,089,807.20

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Solution

The fourth proportional to 12,067,983.20, 18,101,974.80 and 4,089,807.20 is: 6,134,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,067,983.20 : 18,101,974.80 = 4,089,807.20 : x
  2. Step 2: Convert to fraction form
    12,067,983.20/18,101,974.80 = 4,089,807.20/x
  3. Step 3: Cross multiply
    12,067,983.20x = 18,101,974.80 × 4,089,807.20
  4. Step 4: Simplify right side
    12,067,983.20x = 74,033,586,871,258.56
  5. Step 5: Solve for x
    x = 74,033,586,871,258.56/12,067,983.20
  6. Step 6: Final answer
    x = 6,134,710.80

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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.