Home / 12,400,676.32-18,590,976.96-3,876,625.12

Finding the Fourth Proportional to 12,400,676.32, 18,590,976.96 and 3,876,625.12

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Solution

The fourth proportional to 12,400,676.32, 18,590,976.96 and 3,876,625.12 is: 5,811,799.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,400,676.32 : 18,590,976.96 = 3,876,625.12 : x
  2. Step 2: Convert to fraction form
    12,400,676.32/18,590,976.96 = 3,876,625.12/x
  3. Step 3: Cross multiply
    12,400,676.32x = 18,590,976.96 × 3,876,625.12
  4. Step 4: Simplify right side
    12,400,676.32x = 72,070,248,288,477.23
  5. Step 5: Solve for x
    x = 72,070,248,288,477.23/12,400,676.32
  6. Step 6: Final answer
    x = 5,811,799.81

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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.