Finding the Fourth Proportional to 21,419,518.75, 32,133,887.36 and 6,647,322.11
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Solution
The fourth proportional to 21,419,518.75, 32,133,887.36 and 6,647,322.11 is: 9,972,413.59
Step by Step Solution
- Step 1: Write the proportion equation
21,419,518.75 : 32,133,887.36 = 6,647,322.11 : x - Step 2: Convert to fraction form
21,419,518.75/32,133,887.36 = 6,647,322.11/x - Step 3: Cross multiply
21,419,518.75x = 32,133,887.36 × 6,647,322.11 - Step 4: Simplify right side
21,419,518.75x = 213,604,299,796,790.12 - Step 5: Solve for x
x = 213,604,299,796,790.12/21,419,518.75 - Step 6: Final answer
x = 9,972,413.59
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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.