Home / 23,110,487.72-31,892,080.93-12,796,989.38

Finding the Fourth Proportional to 23,110,487.72, 31,892,080.93 and 12,796,989.38

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Solution

The fourth proportional to 23,110,487.72, 31,892,080.93 and 12,796,989.38 is: 17,659,628.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,110,487.72 : 31,892,080.93 = 12,796,989.38 : x
  2. Step 2: Convert to fraction form
    23,110,487.72/31,892,080.93 = 12,796,989.38/x
  3. Step 3: Cross multiply
    23,110,487.72x = 31,892,080.93 × 12,796,989.38
  4. Step 4: Simplify right side
    23,110,487.72x = 408,122,620,775,857.62
  5. Step 5: Solve for x
    x = 408,122,620,775,857.62/23,110,487.72
  6. Step 6: Final answer
    x = 17,659,628.21

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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.