Home / 16,915,896.40-23,343,960.07-9,180,938.82

Finding the Fourth Proportional to 16,915,896.40, 23,343,960.07 and 9,180,938.82

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Solution

The fourth proportional to 16,915,896.40, 23,343,960.07 and 9,180,938.82 is: 12,669,708.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,915,896.40 : 23,343,960.07 = 9,180,938.82 : x
  2. Step 2: Convert to fraction form
    16,915,896.40/23,343,960.07 = 9,180,938.82/x
  3. Step 3: Cross multiply
    16,915,896.40x = 23,343,960.07 × 9,180,938.82
  4. Step 4: Simplify right side
    16,915,896.40x = 214,319,469,079,520.75
  5. Step 5: Solve for x
    x = 214,319,469,079,520.75/16,915,896.40
  6. Step 6: Final answer
    x = 12,669,708.07

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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.