Home / 36,887,947.20-55,331,920.80-18,972,043.20

Finding the Fourth Proportional to 36,887,947.20, 55,331,920.80 and 18,972,043.20

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Solution

The fourth proportional to 36,887,947.20, 55,331,920.80 and 18,972,043.20 is: 28,458,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,887,947.20 : 55,331,920.80 = 18,972,043.20 : x
  2. Step 2: Convert to fraction form
    36,887,947.20/55,331,920.80 = 18,972,043.20/x
  3. Step 3: Cross multiply
    36,887,947.20x = 55,331,920.80 × 18,972,043.20
  4. Step 4: Simplify right side
    36,887,947.20x = 1,049,759,591,756,578.50
  5. Step 5: Solve for x
    x = 1,049,759,591,756,578.50/36,887,947.20
  6. Step 6: Final answer
    x = 28,458,064.80

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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.