Finding the Fourth Proportional to 18,320,627.03, 27,486,259.29 and 7,385,173.18
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Solution
The fourth proportional to 18,320,627.03, 27,486,259.29 and 7,385,173.18 is: 11,079,903.79
Step by Step Solution
- Step 1: Write the proportion equation
18,320,627.03 : 27,486,259.29 = 7,385,173.18 : x - Step 2: Convert to fraction form
18,320,627.03/27,486,259.29 = 7,385,173.18/x - Step 3: Cross multiply
18,320,627.03x = 27,486,259.29 × 7,385,173.18 - Step 4: Simplify right side
18,320,627.03x = 202,990,784,858,318.19 - Step 5: Solve for x
x = 202,990,784,858,318.19/18,320,627.03 - Step 6: Final answer
x = 11,079,903.79
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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.