Finding the Fourth Proportional to 11,986,553.91, 16,543,062.63 and 6,760,634.79
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Solution
The fourth proportional to 11,986,553.91, 16,543,062.63 and 6,760,634.79 is: 9,330,588.72
Step by Step Solution
- Step 1: Write the proportion equation
11,986,553.91 : 16,543,062.63 = 6,760,634.79 : x - Step 2: Convert to fraction form
11,986,553.91/16,543,062.63 = 6,760,634.79/x - Step 3: Cross multiply
11,986,553.91x = 16,543,062.63 × 6,760,634.79 - Step 4: Simplify right side
11,986,553.91x = 111,841,604,749,526.91 - Step 5: Solve for x
x = 111,841,604,749,526.91/11,986,553.91 - Step 6: Final answer
x = 9,330,588.72
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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.