Finding the Fourth Proportional to 21,409,563.02, 29,545,224.63 and 11,620,006.09
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Solution
The fourth proportional to 21,409,563.02, 29,545,224.63 and 11,620,006.09 is: 16,035,623.42
Step by Step Solution
- Step 1: Write the proportion equation
21,409,563.02 : 29,545,224.63 = 11,620,006.09 : x - Step 2: Convert to fraction form
21,409,563.02/29,545,224.63 = 11,620,006.09/x - Step 3: Cross multiply
21,409,563.02x = 29,545,224.63 × 11,620,006.09 - Step 4: Simplify right side
21,409,563.02x = 343,315,690,057,154.94 - Step 5: Solve for x
x = 343,315,690,057,154.94/21,409,563.02 - Step 6: Final answer
x = 16,035,623.42
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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.