Finding the Fourth Proportional to 18,270,881.75, 27,397,354.54 and 9,038,186.84
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Solution
The fourth proportional to 18,270,881.75, 27,397,354.54 and 9,038,186.84 is: 13,552,843.95
Step by Step Solution
- Step 1: Write the proportion equation
18,270,881.75 : 27,397,354.54 = 9,038,186.84 : x - Step 2: Convert to fraction form
18,270,881.75/27,397,354.54 = 9,038,186.84/x - Step 3: Cross multiply
18,270,881.75x = 27,397,354.54 × 9,038,186.84 - Step 4: Simplify right side
18,270,881.75x = 247,622,409,254,242.25 - Step 5: Solve for x
x = 247,622,409,254,242.25/18,270,881.75 - Step 6: Final answer
x = 13,552,843.95
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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.