Home / 12,501,771.12-18,739,868.94-8,458,685.82

Finding the Fourth Proportional to 12,501,771.12, 18,739,868.94 and 8,458,685.82

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Solution

The fourth proportional to 12,501,771.12, 18,739,868.94 and 8,458,685.82 is: 12,679,376.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,501,771.12 : 18,739,868.94 = 8,458,685.82 : x
  2. Step 2: Convert to fraction form
    12,501,771.12/18,739,868.94 = 8,458,685.82/x
  3. Step 3: Cross multiply
    12,501,771.12x = 18,739,868.94 × 8,458,685.82
  4. Step 4: Simplify right side
    12,501,771.12x = 158,514,663,671,436.44
  5. Step 5: Solve for x
    x = 158,514,663,671,436.44/12,501,771.12
  6. Step 6: Final answer
    x = 12,679,376.56

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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.