Home / 28,471,297.44-39,290,185.08-15,418,253.54

Finding the Fourth Proportional to 28,471,297.44, 39,290,185.08 and 15,418,253.54

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Solution

The fourth proportional to 28,471,297.44, 39,290,185.08 and 15,418,253.54 is: 21,277,078.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,471,297.44 : 39,290,185.08 = 15,418,253.54 : x
  2. Step 2: Convert to fraction form
    28,471,297.44/39,290,185.08 = 15,418,253.54/x
  3. Step 3: Cross multiply
    28,471,297.44x = 39,290,185.08 × 15,418,253.54
  4. Step 4: Simplify right side
    28,471,297.44x = 605,786,035,196,965.12
  5. Step 5: Solve for x
    x = 605,786,035,196,965.12/28,471,297.44
  6. Step 6: Final answer
    x = 21,277,078.66

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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.