Home / 11,826,919.20-17,740,378.80-10,630,192.80

Finding the Fourth Proportional to 11,826,919.20, 17,740,378.80 and 10,630,192.80

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Solution

The fourth proportional to 11,826,919.20, 17,740,378.80 and 10,630,192.80 is: 15,945,289.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,826,919.20 : 17,740,378.80 = 10,630,192.80 : x
  2. Step 2: Convert to fraction form
    11,826,919.20/17,740,378.80 = 10,630,192.80/x
  3. Step 3: Cross multiply
    11,826,919.20x = 17,740,378.80 × 10,630,192.80
  4. Step 4: Simplify right side
    11,826,919.20x = 188,583,646,989,032.66
  5. Step 5: Solve for x
    x = 188,583,646,989,032.66/11,826,919.20
  6. Step 6: Final answer
    x = 15,945,289.20

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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.