Home / 8,816,705.20-13,208,728.20-5,018,906.80

Finding the Fourth Proportional to 8,816,705.20, 13,208,728.20 and 5,018,906.80

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Solution

The fourth proportional to 8,816,705.20, 13,208,728.20 and 5,018,906.80 is: 7,519,064.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,816,705.20 : 13,208,728.20 = 5,018,906.80 : x
  2. Step 2: Convert to fraction form
    8,816,705.20/13,208,728.20 = 5,018,906.80/x
  3. Step 3: Cross multiply
    8,816,705.20x = 13,208,728.20 × 5,018,906.80
  4. Step 4: Simplify right side
    8,816,705.20x = 66,293,375,782,331.75
  5. Step 5: Solve for x
    x = 66,293,375,782,331.75/8,816,705.20
  6. Step 6: Final answer
    x = 7,519,064.58

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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.