Home / 16,946,523.20-25,419,784.80-5,431,968.20

Finding the Fourth Proportional to 16,946,523.20, 25,419,784.80 and 5,431,968.20

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Solution

The fourth proportional to 16,946,523.20, 25,419,784.80 and 5,431,968.20 is: 8,147,952.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,946,523.20 : 25,419,784.80 = 5,431,968.20 : x
  2. Step 2: Convert to fraction form
    16,946,523.20/25,419,784.80 = 5,431,968.20/x
  3. Step 3: Cross multiply
    16,946,523.20x = 25,419,784.80 × 5,431,968.20
  4. Step 4: Simplify right side
    16,946,523.20x = 138,079,462,684,443.38
  5. Step 5: Solve for x
    x = 138,079,462,684,443.38/16,946,523.20
  6. Step 6: Final answer
    x = 8,147,952.30

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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.