Home / 21,271,186.53-31,907,911.25-6,699,245.62

Finding the Fourth Proportional to 21,271,186.53, 31,907,911.25 and 6,699,245.62

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Solution

The fourth proportional to 21,271,186.53, 31,907,911.25 and 6,699,245.62 is: 10,049,224.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,271,186.53 : 31,907,911.25 = 6,699,245.62 : x
  2. Step 2: Convert to fraction form
    21,271,186.53/31,907,911.25 = 6,699,245.62/x
  3. Step 3: Cross multiply
    21,271,186.53x = 31,907,911.25 × 6,699,245.62
  4. Step 4: Simplify right side
    21,271,186.53x = 213,758,934,684,911.22
  5. Step 5: Solve for x
    x = 213,758,934,684,911.22/21,271,186.53
  6. Step 6: Final answer
    x = 10,049,224.78

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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.