Finding the Fourth Proportional to 18,169,163.52, 27,261,015.84 and 7,387,293.12
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Solution
The fourth proportional to 18,169,163.52, 27,261,015.84 and 7,387,293.12 is: 11,083,895.77
Step by Step Solution
- Step 1: Write the proportion equation
18,169,163.52 : 27,261,015.84 = 7,387,293.12 : x - Step 2: Convert to fraction form
18,169,163.52/27,261,015.84 = 7,387,293.12/x - Step 3: Cross multiply
18,169,163.52x = 27,261,015.84 × 7,387,293.12 - Step 4: Simplify right side
18,169,163.52x = 201,385,114,759,043.03 - Step 5: Solve for x
x = 201,385,114,759,043.03/18,169,163.52 - Step 6: Final answer
x = 11,083,895.77
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.