Home / 8,579,216.76-12,868,817.88-2,189,468.64

Finding the Fourth Proportional to 8,579,216.76, 12,868,817.88 and 2,189,468.64

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Solution

The fourth proportional to 8,579,216.76, 12,868,817.88 and 2,189,468.64 is: 3,284,201.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,579,216.76 : 12,868,817.88 = 2,189,468.64 : x
  2. Step 2: Convert to fraction form
    8,579,216.76/12,868,817.88 = 2,189,468.64/x
  3. Step 3: Cross multiply
    8,579,216.76x = 12,868,817.88 × 2,189,468.64
  4. Step 4: Simplify right side
    8,579,216.76x = 28,175,873,182,131.29
  5. Step 5: Solve for x
    x = 28,175,873,182,131.29/8,579,216.76
  6. Step 6: Final answer
    x = 3,284,201.11

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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.