Home / 28,737,019.82-43,086,375.66-13,961,175.11

Finding the Fourth Proportional to 28,737,019.82, 43,086,375.66 and 13,961,175.11

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Solution

The fourth proportional to 28,737,019.82, 43,086,375.66 and 13,961,175.11 is: 20,932,457.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,737,019.82 : 43,086,375.66 = 13,961,175.11 : x
  2. Step 2: Convert to fraction form
    28,737,019.82/43,086,375.66 = 13,961,175.11/x
  3. Step 3: Cross multiply
    28,737,019.82x = 43,086,375.66 × 13,961,175.11
  4. Step 4: Simplify right side
    28,737,019.82x = 601,536,435,444,501.75
  5. Step 5: Solve for x
    x = 601,536,435,444,501.75/28,737,019.82
  6. Step 6: Final answer
    x = 20,932,457.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.