Home / 16,946,107.20-25,419,160.80-5,431,552.20

Finding the Fourth Proportional to 16,946,107.20, 25,419,160.80 and 5,431,552.20

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Solution

The fourth proportional to 16,946,107.20, 25,419,160.80 and 5,431,552.20 is: 8,147,328.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,946,107.20 : 25,419,160.80 = 5,431,552.20 : x
  2. Step 2: Convert to fraction form
    16,946,107.20/25,419,160.80 = 5,431,552.20/x
  3. Step 3: Cross multiply
    16,946,107.20x = 25,419,160.80 × 5,431,552.20
  4. Step 4: Simplify right side
    16,946,107.20x = 138,065,498,765,393.77
  5. Step 5: Solve for x
    x = 138,065,498,765,393.77/16,946,107.20
  6. Step 6: Final answer
    x = 8,147,328.30

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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.