Finding the Fourth Proportional to 30,290,450.56, 41,800,873.44 and 16,539,121.60
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Solution
The fourth proportional to 30,290,450.56, 41,800,873.44 and 16,539,121.60 is: 22,824,016.02
Step by Step Solution
- Step 1: Write the proportion equation
30,290,450.56 : 41,800,873.44 = 16,539,121.60 : x - Step 2: Convert to fraction form
30,290,450.56/41,800,873.44 = 16,539,121.60/x - Step 3: Cross multiply
30,290,450.56x = 41,800,873.44 × 16,539,121.60 - Step 4: Simplify right side
30,290,450.56x = 691,349,728,810,370.25 - Step 5: Solve for x
x = 691,349,728,810,370.25/30,290,450.56 - Step 6: Final answer
x = 22,824,016.02
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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.