Home / 36,089,616.56-49,799,067.72-20,620,703.12

Finding the Fourth Proportional to 36,089,616.56, 49,799,067.72 and 20,620,703.12

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Solution

The fourth proportional to 36,089,616.56, 49,799,067.72 and 20,620,703.12 is: 28,453,940.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,089,616.56 : 49,799,067.72 = 20,620,703.12 : x
  2. Step 2: Convert to fraction form
    36,089,616.56/49,799,067.72 = 20,620,703.12/x
  3. Step 3: Cross multiply
    36,089,616.56x = 49,799,067.72 × 20,620,703.12
  4. Step 4: Simplify right side
    36,089,616.56x = 1,026,891,791,106,895.38
  5. Step 5: Solve for x
    x = 1,026,891,791,106,895.38/36,089,616.56
  6. Step 6: Final answer
    x = 28,453,940.19

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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.