Home / 11,031,243.20-16,546,864.80-8,196,891.20

Finding the Fourth Proportional to 11,031,243.20, 16,546,864.80 and 8,196,891.20

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Solution

The fourth proportional to 11,031,243.20, 16,546,864.80 and 8,196,891.20 is: 12,295,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,031,243.20 : 16,546,864.80 = 8,196,891.20 : x
  2. Step 2: Convert to fraction form
    11,031,243.20/16,546,864.80 = 8,196,891.20/x
  3. Step 3: Cross multiply
    11,031,243.20x = 16,546,864.80 × 8,196,891.20
  4. Step 4: Simplify right side
    11,031,243.20x = 135,632,850,466,709.77
  5. Step 5: Solve for x
    x = 135,632,850,466,709.77/11,031,243.20
  6. Step 6: Final answer
    x = 12,295,336.80

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1.5x scale

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.