Home / 15,331,680.78-23,007,748.26-7,952,529.21

Finding the Fourth Proportional to 15,331,680.78, 23,007,748.26 and 7,952,529.21

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Solution

The fourth proportional to 15,331,680.78, 23,007,748.26 and 7,952,529.21 is: 11,934,098.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,331,680.78 : 23,007,748.26 = 7,952,529.21 : x
  2. Step 2: Convert to fraction form
    15,331,680.78/23,007,748.26 = 7,952,529.21/x
  3. Step 3: Cross multiply
    15,331,680.78x = 23,007,748.26 × 7,952,529.21
  4. Step 4: Simplify right side
    15,331,680.78x = 182,969,790,093,976.69
  5. Step 5: Solve for x
    x = 182,969,790,093,976.69/15,331,680.78
  6. Step 6: Final answer
    x = 11,934,098.60

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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.