Home / 13,085,844.20-19,631,876.70-5,508,909.80

Finding the Fourth Proportional to 13,085,844.20, 19,631,876.70 and 5,508,909.80

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Solution

The fourth proportional to 13,085,844.20, 19,631,876.70 and 5,508,909.80 is: 8,264,674.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,085,844.20 : 19,631,876.70 = 5,508,909.80 : x
  2. Step 2: Convert to fraction form
    13,085,844.20/19,631,876.70 = 5,508,909.80/x
  3. Step 3: Cross multiply
    13,085,844.20x = 19,631,876.70 × 5,508,909.80
  4. Step 4: Simplify right side
    13,085,844.20x = 108,150,237,945,021.66
  5. Step 5: Solve for x
    x = 108,150,237,945,021.66/13,085,844.20
  6. Step 6: Final answer
    x = 8,264,674.12

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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.