Home / 12,379,436.92-18,525,712.38-9,944,607.25

Finding the Fourth Proportional to 12,379,436.92, 18,525,712.38 and 9,944,607.25

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Solution

The fourth proportional to 12,379,436.92, 18,525,712.38 and 9,944,607.25 is: 14,882,012.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,379,436.92 : 18,525,712.38 = 9,944,607.25 : x
  2. Step 2: Convert to fraction form
    12,379,436.92/18,525,712.38 = 9,944,607.25/x
  3. Step 3: Cross multiply
    12,379,436.92x = 18,525,712.38 × 9,944,607.25
  4. Step 4: Simplify right side
    12,379,436.92x = 184,230,933,645,562.75
  5. Step 5: Solve for x
    x = 184,230,933,645,562.75/12,379,436.92
  6. Step 6: Final answer
    x = 14,882,012.39

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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.