Home / 12,321,933.12-18,484,134.08-4,233,843.20

Finding the Fourth Proportional to 12,321,933.12, 18,484,134.08 and 4,233,843.20

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Solution

The fourth proportional to 12,321,933.12, 18,484,134.08 and 4,233,843.20 is: 6,351,188.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,321,933.12 : 18,484,134.08 = 4,233,843.20 : x
  2. Step 2: Convert to fraction form
    12,321,933.12/18,484,134.08 = 4,233,843.20/x
  3. Step 3: Cross multiply
    12,321,933.12x = 18,484,134.08 × 4,233,843.20
  4. Step 4: Simplify right side
    12,321,933.12x = 78,258,925,382,496.25
  5. Step 5: Solve for x
    x = 78,258,925,382,496.25/12,321,933.12
  6. Step 6: Final answer
    x = 6,351,188.94

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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.