Home / 12,353,904.80-18,530,857.20-3,378,456.80

Finding the Fourth Proportional to 12,353,904.80, 18,530,857.20 and 3,378,456.80

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Solution

The fourth proportional to 12,353,904.80, 18,530,857.20 and 3,378,456.80 is: 5,067,685.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,353,904.80 : 18,530,857.20 = 3,378,456.80 : x
  2. Step 2: Convert to fraction form
    12,353,904.80/18,530,857.20 = 3,378,456.80/x
  3. Step 3: Cross multiply
    12,353,904.80x = 18,530,857.20 × 3,378,456.80
  4. Step 4: Simplify right side
    12,353,904.80x = 62,605,700,517,168.95
  5. Step 5: Solve for x
    x = 62,605,700,517,168.95/12,353,904.80
  6. Step 6: Final answer
    x = 5,067,685.20

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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.