Finding the Fourth Proportional to 36,620,554.44, 50,535,366.30 and 20,100,656.28
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Solution
The fourth proportional to 36,620,554.44, 50,535,366.30 and 20,100,656.28 is: 27,738,357.42
Step by Step Solution
- Step 1: Write the proportion equation
36,620,554.44 : 50,535,366.30 = 20,100,656.28 : x - Step 2: Convert to fraction form
36,620,554.44/50,535,366.30 = 20,100,656.28/x - Step 3: Cross multiply
36,620,554.44x = 50,535,366.30 × 20,100,656.28 - Step 4: Simplify right side
36,620,554.44x = 1,015,794,027,980,195.38 - Step 5: Solve for x
x = 1,015,794,027,980,195.38/36,620,554.44 - Step 6: Final answer
x = 27,738,357.42
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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.