Home / 18,351,410.40-27,548,110.80-10,782,640.80

Finding the Fourth Proportional to 18,351,410.40, 27,548,110.80 and 10,782,640.80

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Solution

The fourth proportional to 18,351,410.40, 27,548,110.80 and 10,782,640.80 is: 16,186,297.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,351,410.40 : 27,548,110.80 = 10,782,640.80 : x
  2. Step 2: Convert to fraction form
    18,351,410.40/27,548,110.80 = 10,782,640.80/x
  3. Step 3: Cross multiply
    18,351,410.40x = 27,548,110.80 × 10,782,640.80
  4. Step 4: Simplify right side
    18,351,410.40x = 297,041,383,475,000.69
  5. Step 5: Solve for x
    x = 297,041,383,475,000.69/18,351,410.40
  6. Step 6: Final answer
    x = 16,186,297.24

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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.