Home / 12,436,511.88-18,660,189.12-4,355,284.44

Finding the Fourth Proportional to 12,436,511.88, 18,660,189.12 and 4,355,284.44

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Solution

The fourth proportional to 12,436,511.88, 18,660,189.12 and 4,355,284.44 is: 6,534,825.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436,511.88 : 18,660,189.12 = 4,355,284.44 : x
  2. Step 2: Convert to fraction form
    12,436,511.88/18,660,189.12 = 4,355,284.44/x
  3. Step 3: Cross multiply
    12,436,511.88x = 18,660,189.12 × 4,355,284.44
  4. Step 4: Simplify right side
    12,436,511.88x = 81,270,431,321,793.31
  5. Step 5: Solve for x
    x = 81,270,431,321,793.31/12,436,511.88
  6. Step 6: Final answer
    x = 6,534,825.21

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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.