Home / 27,758,813.64-38,305,912.62-15,368,037.09

Finding the Fourth Proportional to 27,758,813.64, 38,305,912.62 and 15,368,037.09

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Solution

The fourth proportional to 27,758,813.64, 38,305,912.62 and 15,368,037.09 is: 21,207,199.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,758,813.64 : 38,305,912.62 = 15,368,037.09 : x
  2. Step 2: Convert to fraction form
    27,758,813.64/38,305,912.62 = 15,368,037.09/x
  3. Step 3: Cross multiply
    27,758,813.64x = 38,305,912.62 × 15,368,037.09
  4. Step 4: Simplify right side
    27,758,813.64x = 588,686,685,910,459
  5. Step 5: Solve for x
    x = 588,686,685,910,459/27,758,813.64
  6. Step 6: Final answer
    x = 21,207,199.04

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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.