Home / 8,158,579.22-12,236,538.74-2,399,966.09

Finding the Fourth Proportional to 8,158,579.22, 12,236,538.74 and 2,399,966.09

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Solution

The fourth proportional to 8,158,579.22, 12,236,538.74 and 2,399,966.09 is: 3,599,557.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158,579.22 : 12,236,538.74 = 2,399,966.09 : x
  2. Step 2: Convert to fraction form
    8,158,579.22/12,236,538.74 = 2,399,966.09/x
  3. Step 3: Cross multiply
    8,158,579.22x = 12,236,538.74 × 2,399,966.09
  4. Step 4: Simplify right side
    8,158,579.22x = 29,367,277,979,788.55
  5. Step 5: Solve for x
    x = 29,367,277,979,788.55/8,158,579.22
  6. Step 6: Final answer
    x = 3,599,557.86

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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.