Home / 5,480,530.80-8,220,796.20-5,260,081.20

Finding the Fourth Proportional to 5,480,530.80, 8,220,796.20 and 5,260,081.20

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Solution

The fourth proportional to 5,480,530.80, 8,220,796.20 and 5,260,081.20 is: 7,890,121.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,480,530.80 : 8,220,796.20 = 5,260,081.20 : x
  2. Step 2: Convert to fraction form
    5,480,530.80/8,220,796.20 = 5,260,081.20/x
  3. Step 3: Cross multiply
    5,480,530.80x = 8,220,796.20 × 5,260,081.20
  4. Step 4: Simplify right side
    5,480,530.80x = 43,242,055,540,651.45
  5. Step 5: Solve for x
    x = 43,242,055,540,651.45/5,480,530.80
  6. Step 6: Final answer
    x = 7,890,121.80

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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.