Home / 17,086,523.20-25,629,784.80-5,119,259.20

Finding the Fourth Proportional to 17,086,523.20, 25,629,784.80 and 5,119,259.20

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Solution

The fourth proportional to 17,086,523.20, 25,629,784.80 and 5,119,259.20 is: 7,678,888.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,086,523.20 : 25,629,784.80 = 5,119,259.20 : x
  2. Step 2: Convert to fraction form
    17,086,523.20/25,629,784.80 = 5,119,259.20/x
  3. Step 3: Cross multiply
    17,086,523.20x = 25,629,784.80 × 5,119,259.20
  4. Step 4: Simplify right side
    17,086,523.20x = 131,205,511,631,420.17
  5. Step 5: Solve for x
    x = 131,205,511,631,420.17/17,086,523.20
  6. Step 6: Final answer
    x = 7,678,888.80

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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.