Home / 20,152,579.50-27,809,169.57-11,333,348.82

Finding the Fourth Proportional to 20,152,579.50, 27,809,169.57 and 11,333,348.82

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Solution

The fourth proportional to 20,152,579.50, 27,809,169.57 and 11,333,348.82 is: 15,639,239.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,152,579.50 : 27,809,169.57 = 11,333,348.82 : x
  2. Step 2: Convert to fraction form
    20,152,579.50/27,809,169.57 = 11,333,348.82/x
  3. Step 3: Cross multiply
    20,152,579.50x = 27,809,169.57 × 11,333,348.82
  4. Step 4: Simplify right side
    20,152,579.50x = 315,171,019,131,339.44
  5. Step 5: Solve for x
    x = 315,171,019,131,339.44/20,152,579.50
  6. Step 6: Final answer
    x = 15,639,239.59

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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.