Home / 15,196,525.83-20,970,996.26-8,321,007.89

Finding the Fourth Proportional to 15,196,525.83, 20,970,996.26 and 8,321,007.89

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Solution

The fourth proportional to 15,196,525.83, 20,970,996.26 and 8,321,007.89 is: 11,482,876.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,196,525.83 : 20,970,996.26 = 8,321,007.89 : x
  2. Step 2: Convert to fraction form
    15,196,525.83/20,970,996.26 = 8,321,007.89/x
  3. Step 3: Cross multiply
    15,196,525.83x = 20,970,996.26 × 8,321,007.89
  4. Step 4: Simplify right side
    15,196,525.83x = 174,499,825,351,442.94
  5. Step 5: Solve for x
    x = 174,499,825,351,442.94/15,196,525.83
  6. Step 6: Final answer
    x = 11,482,876.24

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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.