Home / 12,350,613.78-17,022,567.96-8,213,249.88

Finding the Fourth Proportional to 12,350,613.78, 17,022,567.96 and 8,213,249.88

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Solution

The fourth proportional to 12,350,613.78, 17,022,567.96 and 8,213,249.88 is: 11,320,134.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,350,613.78 : 17,022,567.96 = 8,213,249.88 : x
  2. Step 2: Convert to fraction form
    12,350,613.78/17,022,567.96 = 8,213,249.88/x
  3. Step 3: Cross multiply
    12,350,613.78x = 17,022,567.96 × 8,213,249.88
  4. Step 4: Simplify right side
    12,350,613.78x = 139,810,604,254,761.84
  5. Step 5: Solve for x
    x = 139,810,604,254,761.84/12,350,613.78
  6. Step 6: Final answer
    x = 11,320,134.10

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1.5x scale

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.