Finding the Fourth Proportional to 21,729,906.36, 29,966,715.84 and 14,274,405.48
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Solution
The fourth proportional to 21,729,906.36, 29,966,715.84 and 14,274,405.48 is: 19,685,177.00
Step by Step Solution
- Step 1: Write the proportion equation
21,729,906.36 : 29,966,715.84 = 14,274,405.48 : x - Step 2: Convert to fraction form
21,729,906.36/29,966,715.84 = 14,274,405.48/x - Step 3: Cross multiply
21,729,906.36x = 29,966,715.84 × 14,274,405.48 - Step 4: Simplify right side
21,729,906.36x = 427,757,052,804,098.81 - Step 5: Solve for x
x = 427,757,052,804,098.81/21,729,906.36 - Step 6: Final answer
x = 19,685,177.00
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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.