Home / 17,087,776.50-25,635,864.60-5,120,512.50

Finding the Fourth Proportional to 17,087,776.50, 25,635,864.60 and 5,120,512.50

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Solution

The fourth proportional to 17,087,776.50, 25,635,864.60 and 5,120,512.50 is: 7,682,027.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,087,776.50 : 25,635,864.60 = 5,120,512.50 : x
  2. Step 2: Convert to fraction form
    17,087,776.50/25,635,864.60 = 5,120,512.50/x
  3. Step 3: Cross multiply
    17,087,776.50x = 25,635,864.60 × 5,120,512.50
  4. Step 4: Simplify right side
    17,087,776.50x = 131,268,765,132,607.50
  5. Step 5: Solve for x
    x = 131,268,765,132,607.50/17,087,776.50
  6. Step 6: Final answer
    x = 7,682,027.27

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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.