Home / 27,658,305.56-38,169,072.67-15,268,369.64

Finding the Fourth Proportional to 27,658,305.56, 38,169,072.67 and 15,268,369.64

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Solution

The fourth proportional to 27,658,305.56, 38,169,072.67 and 15,268,369.64 is: 21,070,687.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,658,305.56 : 38,169,072.67 = 15,268,369.64 : x
  2. Step 2: Convert to fraction form
    27,658,305.56/38,169,072.67 = 15,268,369.64/x
  3. Step 3: Cross multiply
    27,658,305.56x = 38,169,072.67 × 15,268,369.64
  4. Step 4: Simplify right side
    27,658,305.56x = 582,779,510,355,910
  5. Step 5: Solve for x
    x = 582,779,510,355,910/27,658,305.56
  6. Step 6: Final answer
    x = 21,070,687.39

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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.