Home / 28,716,708.72-39,629,181.24-15,664,252.08

Finding the Fourth Proportional to 28,716,708.72, 39,629,181.24 and 15,664,252.08

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Solution

The fourth proportional to 28,716,708.72, 39,629,181.24 and 15,664,252.08 is: 21,616,735.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,716,708.72 : 39,629,181.24 = 15,664,252.08 : x
  2. Step 2: Convert to fraction form
    28,716,708.72/39,629,181.24 = 15,664,252.08/x
  3. Step 3: Cross multiply
    28,716,708.72x = 39,629,181.24 × 15,664,252.08
  4. Step 4: Simplify right side
    28,716,708.72x = 620,761,484,667,367
  5. Step 5: Solve for x
    x = 620,761,484,667,367/28,716,708.72
  6. Step 6: Final answer
    x = 21,616,735.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.