Home / 16,821,037.70-25,231,556.55-9,168,287.30

Finding the Fourth Proportional to 16,821,037.70, 25,231,556.55 and 9,168,287.30

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Solution

The fourth proportional to 16,821,037.70, 25,231,556.55 and 9,168,287.30 is: 13,752,430.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821,037.70 : 25,231,556.55 = 9,168,287.30 : x
  2. Step 2: Convert to fraction form
    16,821,037.70/25,231,556.55 = 9,168,287.30/x
  3. Step 3: Cross multiply
    16,821,037.70x = 25,231,556.55 × 9,168,287.30
  4. Step 4: Simplify right side
    16,821,037.70x = 231,330,159,476,596.84
  5. Step 5: Solve for x
    x = 231,330,159,476,596.84/16,821,037.70
  6. Step 6: Final answer
    x = 13,752,430.95

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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.