Finding the Fourth Proportional to 19,887,872.75, 29,832,450.64 and 5,511,079.07
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Solution
The fourth proportional to 19,887,872.75, 29,832,450.64 and 5,511,079.07 is: 8,266,796.37
Step by Step Solution
- Step 1: Write the proportion equation
19,887,872.75 : 29,832,450.64 = 5,511,079.07 : x - Step 2: Convert to fraction form
19,887,872.75/29,832,450.64 = 5,511,079.07/x - Step 3: Cross multiply
19,887,872.75x = 29,832,450.64 × 5,511,079.07 - Step 4: Simplify right side
19,887,872.75x = 164,408,994,328,912.12 - Step 5: Solve for x
x = 164,408,994,328,912.12/19,887,872.75 - Step 6: Final answer
x = 8,266,796.37
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.