Home / 36,480,741.60-50,338,998-21,015,832.80

Finding the Fourth Proportional to 36,480,741.60, 50,338,998 and 21,015,832.80

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Solution

The fourth proportional to 36,480,741.60, 50,338,998 and 21,015,832.80 is: 28,999,299.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,480,741.60 : 50,338,998 = 21,015,832.80 : x
  2. Step 2: Convert to fraction form
    36,480,741.60/50,338,998 = 21,015,832.80/x
  3. Step 3: Cross multiply
    36,480,741.60x = 50,338,998 × 21,015,832.80
  4. Step 4: Simplify right side
    36,480,741.60x = 1,057,915,965,287,534.50
  5. Step 5: Solve for x
    x = 1,057,915,965,287,534.50/36,480,741.60
  6. Step 6: Final answer
    x = 28,999,299.87

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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.