Finding the Fourth Proportional to 31,218,193.14, 43,082,259.98 and 17,090,369.97
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Solution
The fourth proportional to 31,218,193.14, 43,082,259.98 and 17,090,369.97 is: 23,585,342.01
Step by Step Solution
- Step 1: Write the proportion equation
31,218,193.14 : 43,082,259.98 = 17,090,369.97 : x - Step 2: Convert to fraction form
31,218,193.14/43,082,259.98 = 17,090,369.97/x - Step 3: Cross multiply
31,218,193.14x = 43,082,259.98 × 17,090,369.97 - Step 4: Simplify right side
31,218,193.14x = 736,291,762,116,472.88 - Step 5: Solve for x
x = 736,291,762,116,472.88/31,218,193.14 - Step 6: Final answer
x = 23,585,342.01
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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.