Home / 30,543,672.31-42,149,183.29-16,792,536.31

Finding the Fourth Proportional to 30,543,672.31, 42,149,183.29 and 16,792,536.31

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Solution

The fourth proportional to 30,543,672.31, 42,149,183.29 and 16,792,536.31 is: 23,173,103.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,543,672.31 : 42,149,183.29 = 16,792,536.31 : x
  2. Step 2: Convert to fraction form
    30,543,672.31/42,149,183.29 = 16,792,536.31/x
  3. Step 3: Cross multiply
    30,543,672.31x = 42,149,183.29 × 16,792,536.31
  4. Step 4: Simplify right side
    30,543,672.31x = 707,791,690,834,170.25
  5. Step 5: Solve for x
    x = 707,791,690,834,170.25/30,543,672.31
  6. Step 6: Final answer
    x = 23,173,103.86

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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.