Finding the Fourth Proportional to 7,994,908.52, 11,993,202.93 and 2,603,978.84
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Solution
The fourth proportional to 7,994,908.52, 11,993,202.93 and 2,603,978.84 is: 3,906,241.90
Step by Step Solution
- Step 1: Write the proportion equation
7,994,908.52 : 11,993,202.93 = 2,603,978.84 : x - Step 2: Convert to fraction form
7,994,908.52/11,993,202.93 = 2,603,978.84/x - Step 3: Cross multiply
7,994,908.52x = 11,993,202.93 × 2,603,978.84 - Step 4: Simplify right side
7,994,908.52x = 31,230,046,625,832.16 - Step 5: Solve for x
x = 31,230,046,625,832.16/7,994,908.52 - Step 6: Final answer
x = 3,906,241.90
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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.