Finding the Fourth Proportional to 36,224,213.40, 54,399,305.70 and 19,218,101.40
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Solution
The fourth proportional to 36,224,213.40, 54,399,305.70 and 19,218,101.40 is: 28,860,567.97
Step by Step Solution
- Step 1: Write the proportion equation
36,224,213.40 : 54,399,305.70 = 19,218,101.40 : x - Step 2: Convert to fraction form
36,224,213.40/54,399,305.70 = 19,218,101.40/x - Step 3: Cross multiply
36,224,213.40x = 54,399,305.70 × 19,218,101.40 - Step 4: Simplify right side
36,224,213.40x = 1,045,451,373,032,198 - Step 5: Solve for x
x = 1,045,451,373,032,198/36,224,213.40 - Step 6: Final answer
x = 28,860,567.97
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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.