Home / 12,182,056.72-16,811,404.68-6,675,320.32

Finding the Fourth Proportional to 12,182,056.72, 16,811,404.68 and 6,675,320.32

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Solution

The fourth proportional to 12,182,056.72, 16,811,404.68 and 6,675,320.32 is: 9,212,033.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,182,056.72 : 16,811,404.68 = 6,675,320.32 : x
  2. Step 2: Convert to fraction form
    12,182,056.72/16,811,404.68 = 6,675,320.32/x
  3. Step 3: Cross multiply
    12,182,056.72x = 16,811,404.68 × 6,675,320.32
  4. Step 4: Simplify right side
    12,182,056.72x = 112,221,511,268,147.09
  5. Step 5: Solve for x
    x = 112,221,511,268,147.09/12,182,056.72
  6. Step 6: Final answer
    x = 9,212,033.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.