Home / 13,591,092.97-18,755,702.89-7,479,521.47

Finding the Fourth Proportional to 13,591,092.97, 18,755,702.89 and 7,479,521.47

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Solution

The fourth proportional to 13,591,092.97, 18,755,702.89 and 7,479,521.47 is: 10,321,736.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,591,092.97 : 18,755,702.89 = 7,479,521.47 : x
  2. Step 2: Convert to fraction form
    13,591,092.97/18,755,702.89 = 7,479,521.47/x
  3. Step 3: Cross multiply
    13,591,092.97x = 18,755,702.89 × 7,479,521.47
  4. Step 4: Simplify right side
    13,591,092.97x = 140,283,682,455,441.88
  5. Step 5: Solve for x
    x = 140,283,682,455,441.88/13,591,092.97
  6. Step 6: Final answer
    x = 10,321,736.65

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1.5x scale

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.