Home / 20,348,462.42-28,080,871.68-11,181,695.66

Finding the Fourth Proportional to 20,348,462.42, 28,080,871.68 and 11,181,695.66

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Solution

The fourth proportional to 20,348,462.42, 28,080,871.68 and 11,181,695.66 is: 15,430,736.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,348,462.42 : 28,080,871.68 = 11,181,695.66 : x
  2. Step 2: Convert to fraction form
    20,348,462.42/28,080,871.68 = 11,181,695.66/x
  3. Step 3: Cross multiply
    20,348,462.42x = 28,080,871.68 × 11,181,695.66
  4. Step 4: Simplify right side
    20,348,462.42x = 313,991,760,993,272.94
  5. Step 5: Solve for x
    x = 313,991,760,993,272.94/20,348,462.42
  6. Step 6: Final answer
    x = 15,430,736.46

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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.