Finding the Fourth Proportional to 27,224,203.70, 37,526,859.18 and 18,507,242.70
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Solution
The fourth proportional to 27,224,203.70, 37,526,859.18 and 18,507,242.70 is: 25,511,074.57
Step by Step Solution
- Step 1: Write the proportion equation
27,224,203.70 : 37,526,859.18 = 18,507,242.70 : x - Step 2: Convert to fraction form
27,224,203.70/37,526,859.18 = 18,507,242.70/x - Step 3: Cross multiply
27,224,203.70x = 37,526,859.18 × 18,507,242.70 - Step 4: Simplify right side
27,224,203.70x = 694,518,690,612,983 - Step 5: Solve for x
x = 694,518,690,612,983/27,224,203.70 - Step 6: Final answer
x = 25,511,074.57
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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.