Finding the Fourth Proportional to 14,133,484.26, 19,504,383.48 and 7,939,883.88
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Solution
The fourth proportional to 14,133,484.26, 19,504,383.48 and 7,939,883.88 is: 10,957,138.18
Step by Step Solution
- Step 1: Write the proportion equation
14,133,484.26 : 19,504,383.48 = 7,939,883.88 : x - Step 2: Convert to fraction form
14,133,484.26/19,504,383.48 = 7,939,883.88/x - Step 3: Cross multiply
14,133,484.26x = 19,504,383.48 × 7,939,883.88 - Step 4: Simplify right side
14,133,484.26x = 154,862,539,982,190.31 - Step 5: Solve for x
x = 154,862,539,982,190.31/14,133,484.26 - Step 6: Final answer
x = 10,957,138.18
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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.