Home / 23,042,122.68-31,798,395.18-12,728,629.56

Finding the Fourth Proportional to 23,042,122.68, 31,798,395.18 and 12,728,629.56

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Solution

The fourth proportional to 23,042,122.68, 31,798,395.18 and 12,728,629.56 is: 17,565,655.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,042,122.68 : 31,798,395.18 = 12,728,629.56 : x
  2. Step 2: Convert to fraction form
    23,042,122.68/31,798,395.18 = 12,728,629.56/x
  3. Step 3: Cross multiply
    23,042,122.68x = 31,798,395.18 × 12,728,629.56
  4. Step 4: Simplify right side
    23,042,122.68x = 404,749,992,848,709.56
  5. Step 5: Solve for x
    x = 404,749,992,848,709.56/23,042,122.68
  6. Step 6: Final answer
    x = 17,565,655.67

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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.