Home / 19,976,197.40-29,946,310.86-7,187,709.50

Finding the Fourth Proportional to 19,976,197.40, 29,946,310.86 and 7,187,709.50

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Solution

The fourth proportional to 19,976,197.40, 29,946,310.86 and 7,187,709.50 is: 10,775,092.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,976,197.40 : 29,946,310.86 = 7,187,709.50 : x
  2. Step 2: Convert to fraction form
    19,976,197.40/29,946,310.86 = 7,187,709.50/x
  3. Step 3: Cross multiply
    19,976,197.40x = 29,946,310.86 × 7,187,709.50
  4. Step 4: Simplify right side
    19,976,197.40x = 215,245,383,058,375.16
  5. Step 5: Solve for x
    x = 215,245,383,058,375.16/19,976,197.40
  6. Step 6: Final answer
    x = 10,775,092.91

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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.