Home / 13,263,668.01-18,303,732.68-7,383,208.95

Finding the Fourth Proportional to 13,263,668.01, 18,303,732.68 and 7,383,208.95

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Solution

The fourth proportional to 13,263,668.01, 18,303,732.68 and 7,383,208.95 is: 10,188,756.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,263,668.01 : 18,303,732.68 = 7,383,208.95 : x
  2. Step 2: Convert to fraction form
    13,263,668.01/18,303,732.68 = 7,383,208.95/x
  3. Step 3: Cross multiply
    13,263,668.01x = 18,303,732.68 × 7,383,208.95
  4. Step 4: Simplify right side
    13,263,668.01x = 135,140,282,904,467.45
  5. Step 5: Solve for x
    x = 135,140,282,904,467.45/13,263,668.01
  6. Step 6: Final answer
    x = 10,188,756.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.