Home / 12,188,192.40-18,284,678.28-4,511,896.20

Finding the Fourth Proportional to 12,188,192.40, 18,284,678.28 and 4,511,896.20

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Solution

The fourth proportional to 12,188,192.40, 18,284,678.28 and 4,511,896.20 is: 6,768,728.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,188,192.40 : 18,284,678.28 = 4,511,896.20 : x
  2. Step 2: Convert to fraction form
    12,188,192.40/18,284,678.28 = 4,511,896.20/x
  3. Step 3: Cross multiply
    12,188,192.40x = 18,284,678.28 × 4,511,896.20
  4. Step 4: Simplify right side
    12,188,192.40x = 82,498,570,449,754.55
  5. Step 5: Solve for x
    x = 82,498,570,449,754.55/12,188,192.40
  6. Step 6: Final answer
    x = 6,768,728.93

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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.