Finding the Fourth Proportional to 11,995,910.09, 16,554,306.07 and 6,489,271.37
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Solution
The fourth proportional to 11,995,910.09, 16,554,306.07 and 6,489,271.37 is: 8,955,167.52
Step by Step Solution
- Step 1: Write the proportion equation
11,995,910.09 : 16,554,306.07 = 6,489,271.37 : x - Step 2: Convert to fraction form
11,995,910.09/16,554,306.07 = 6,489,271.37/x - Step 3: Cross multiply
11,995,910.09x = 16,554,306.07 × 6,489,271.37 - Step 4: Simplify right side
11,995,910.09x = 107,425,384,430,268.22 - Step 5: Solve for x
x = 107,425,384,430,268.22/11,995,910.09 - Step 6: Final answer
x = 8,955,167.52
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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.