Home / 11,481,969.80-17,222,978.98-10,780,467.68

Finding the Fourth Proportional to 11,481,969.80, 17,222,978.98 and 10,780,467.68

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Solution

The fourth proportional to 11,481,969.80, 17,222,978.98 and 10,780,467.68 is: 16,170,724.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,481,969.80 : 17,222,978.98 = 10,780,467.68 : x
  2. Step 2: Convert to fraction form
    11,481,969.80/17,222,978.98 = 10,780,467.68/x
  3. Step 3: Cross multiply
    11,481,969.80x = 17,222,978.98 × 10,780,467.68
  4. Step 4: Simplify right side
    11,481,969.80x = 185,671,768,247,209.38
  5. Step 5: Solve for x
    x = 185,671,768,247,209.38/11,481,969.80
  6. Step 6: Final answer
    x = 16,170,724.32

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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.