Finding the Fourth Proportional to 16,284,753.55, 22,471,369.26 and 9,409,087.99
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Solution
The fourth proportional to 16,284,753.55, 22,471,369.26 and 9,409,087.99 is: 12,983,622.38
Step by Step Solution
- Step 1: Write the proportion equation
16,284,753.55 : 22,471,369.26 = 9,409,087.99 : x - Step 2: Convert to fraction form
16,284,753.55/22,471,369.26 = 9,409,087.99/x - Step 3: Cross multiply
16,284,753.55x = 22,471,369.26 × 9,409,087.99 - Step 4: Simplify right side
16,284,753.55x = 211,435,090,623,121.22 - Step 5: Solve for x
x = 211,435,090,623,121.22/16,284,753.55 - Step 6: Final answer
x = 12,983,622.38
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.