Finding the Fourth Proportional to 18,218,881.16, 27,327,883.90 and 5,922,828.52
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Solution
The fourth proportional to 18,218,881.16, 27,327,883.90 and 5,922,828.52 is: 8,884,100.44
Step by Step Solution
- Step 1: Write the proportion equation
18,218,881.16 : 27,327,883.90 = 5,922,828.52 : x - Step 2: Convert to fraction form
18,218,881.16/27,327,883.90 = 5,922,828.52/x - Step 3: Cross multiply
18,218,881.16x = 27,327,883.90 × 5,922,828.52 - Step 4: Simplify right side
18,218,881.16x = 161,858,370,154,168.81 - Step 5: Solve for x
x = 161,858,370,154,168.81/18,218,881.16 - Step 6: Final answer
x = 8,884,100.44
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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.