Home / 12,858,818.12-19,293,625.02-8,005,183.91

Finding the Fourth Proportional to 12,858,818.12, 19,293,625.02 and 8,005,183.91

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Solution

The fourth proportional to 12,858,818.12, 19,293,625.02 and 8,005,183.91 is: 12,011,136.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,858,818.12 : 19,293,625.02 = 8,005,183.91 : x
  2. Step 2: Convert to fraction form
    12,858,818.12/19,293,625.02 = 8,005,183.91/x
  3. Step 3: Cross multiply
    12,858,818.12x = 19,293,625.02 × 8,005,183.91
  4. Step 4: Simplify right side
    12,858,818.12x = 154,449,016,575,677.44
  5. Step 5: Solve for x
    x = 154,449,016,575,677.44/12,858,818.12
  6. Step 6: Final answer
    x = 12,011,136.26

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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.