Home / 7,990,556.02-11,019,613.48-5,236,243.10

Finding the Fourth Proportional to 7,990,556.02, 11,019,613.48 and 5,236,243.10

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Solution

The fourth proportional to 7,990,556.02, 11,019,613.48 and 5,236,243.10 is: 7,221,196.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990,556.02 : 11,019,613.48 = 5,236,243.10 : x
  2. Step 2: Convert to fraction form
    7,990,556.02/11,019,613.48 = 5,236,243.10/x
  3. Step 3: Cross multiply
    7,990,556.02x = 11,019,613.48 × 5,236,243.10
  4. Step 4: Simplify right side
    7,990,556.02x = 57,701,375,049,316.98
  5. Step 5: Solve for x
    x = 57,701,375,049,316.98/7,990,556.02
  6. Step 6: Final answer
    x = 7,221,196.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.