Home / 28,888,428.60-43,322,593.50-11,611,500.66

Finding the Fourth Proportional to 28,888,428.60, 43,322,593.50 and 11,611,500.66

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Solution

The fourth proportional to 28,888,428.60, 43,322,593.50 and 11,611,500.66 is: 17,413,211.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,888,428.60 : 43,322,593.50 = 11,611,500.66 : x
  2. Step 2: Convert to fraction form
    28,888,428.60/43,322,593.50 = 11,611,500.66/x
  3. Step 3: Cross multiply
    28,888,428.60x = 43,322,593.50 × 11,611,500.66
  4. Step 4: Simplify right side
    28,888,428.60x = 503,040,323,018,161.69
  5. Step 5: Solve for x
    x = 503,040,323,018,161.69/28,888,428.60
  6. Step 6: Final answer
    x = 17,413,211.70

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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.