Home / 22,431,965.22-30,966,445.53-13,138,245.54

Finding the Fourth Proportional to 22,431,965.22, 30,966,445.53 and 13,138,245.54

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Solution

The fourth proportional to 22,431,965.22, 30,966,445.53 and 13,138,245.54 is: 18,136,831.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,431,965.22 : 30,966,445.53 = 13,138,245.54 : x
  2. Step 2: Convert to fraction form
    22,431,965.22/30,966,445.53 = 13,138,245.54/x
  3. Step 3: Cross multiply
    22,431,965.22x = 30,966,445.53 × 13,138,245.54
  4. Step 4: Simplify right side
    22,431,965.22x = 406,844,764,874,175.44
  5. Step 5: Solve for x
    x = 406,844,764,874,175.44/22,431,965.22
  6. Step 6: Final answer
    x = 18,136,831.12

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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.