Finding the Fourth Proportional to 13,513,170.62, 20,269,755.94 and 3,415,791.62
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Solution
The fourth proportional to 13,513,170.62, 20,269,755.94 and 3,415,791.62 is: 5,123,687.43
Step by Step Solution
- Step 1: Write the proportion equation
13,513,170.62 : 20,269,755.94 = 3,415,791.62 : x - Step 2: Convert to fraction form
13,513,170.62/20,269,755.94 = 3,415,791.62/x - Step 3: Cross multiply
13,513,170.62x = 20,269,755.94 × 3,415,791.62 - Step 4: Simplify right side
13,513,170.62x = 69,237,262,479,297.23 - Step 5: Solve for x
x = 69,237,262,479,297.23/13,513,170.62 - Step 6: Final answer
x = 5,123,687.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.