Finding the Fourth Proportional to 47,989,649.62, 66,224,078.85 and 27,369,738.82
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Solution
The fourth proportional to 47,989,649.62, 66,224,078.85 and 27,369,738.82 is: 37,769,305.59
Step by Step Solution
- Step 1: Write the proportion equation
47,989,649.62 : 66,224,078.85 = 27,369,738.82 : x - Step 2: Convert to fraction form
47,989,649.62/66,224,078.85 = 27,369,738.82/x - Step 3: Cross multiply
47,989,649.62x = 66,224,078.85 × 27,369,738.82 - Step 4: Simplify right side
47,989,649.62x = 1,812,535,741,719,586 - Step 5: Solve for x
x = 1,812,535,741,719,586/47,989,649.62 - Step 6: Final answer
x = 37,769,305.59
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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.