Home / 6,478,090.80-9,717,136.20-5,470,321.20

Finding the Fourth Proportional to 6,478,090.80, 9,717,136.20 and 5,470,321.20

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Solution

The fourth proportional to 6,478,090.80, 9,717,136.20 and 5,470,321.20 is: 8,205,481.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,478,090.80 : 9,717,136.20 = 5,470,321.20 : x
  2. Step 2: Convert to fraction form
    6,478,090.80/9,717,136.20 = 5,470,321.20/x
  3. Step 3: Cross multiply
    6,478,090.80x = 9,717,136.20 × 5,470,321.20
  4. Step 4: Simplify right side
    6,478,090.80x = 53,155,856,158,147.44
  5. Step 5: Solve for x
    x = 53,155,856,158,147.44/6,478,090.80
  6. Step 6: Final answer
    x = 8,205,481.80

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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.