Home / 36,320,988.75-50,123,716.55-20,426,377.29

Finding the Fourth Proportional to 36,320,988.75, 50,123,716.55 and 20,426,377.29

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Solution

The fourth proportional to 36,320,988.75, 50,123,716.55 and 20,426,377.29 is: 28,188,823.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,320,988.75 : 50,123,716.55 = 20,426,377.29 : x
  2. Step 2: Convert to fraction form
    36,320,988.75/50,123,716.55 = 20,426,377.29/x
  3. Step 3: Cross multiply
    36,320,988.75x = 50,123,716.55 × 20,426,377.29
  4. Step 4: Simplify right side
    36,320,988.75x = 1,023,845,945,325,185.25
  5. Step 5: Solve for x
    x = 1,023,845,945,325,185.25/36,320,988.75
  6. Step 6: Final answer
    x = 28,188,823.62

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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.