Home / 11,191,005.20-16,794,802.20-8,205,021.20

Finding the Fourth Proportional to 11,191,005.20, 16,794,802.20 and 8,205,021.20

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Solution

The fourth proportional to 11,191,005.20, 16,794,802.20 and 8,205,021.20 is: 12,313,613.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,191,005.20 : 16,794,802.20 = 8,205,021.20 : x
  2. Step 2: Convert to fraction form
    11,191,005.20/16,794,802.20 = 8,205,021.20/x
  3. Step 3: Cross multiply
    11,191,005.20x = 16,794,802.20 × 8,205,021.20
  4. Step 4: Simplify right side
    11,191,005.20x = 137,801,708,100,806.64
  5. Step 5: Solve for x
    x = 137,801,708,100,806.64/11,191,005.20
  6. Step 6: Final answer
    x = 12,313,613.09

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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.