Finding the Fourth Proportional to 12,691,605.41, 17,514,245.84 and 7,184,839.19
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Solution
The fourth proportional to 12,691,605.41, 17,514,245.84 and 7,184,839.19 is: 9,914,982.06
Step by Step Solution
- Step 1: Write the proportion equation
12,691,605.41 : 17,514,245.84 = 7,184,839.19 : x - Step 2: Convert to fraction form
12,691,605.41/17,514,245.84 = 7,184,839.19/x - Step 3: Cross multiply
12,691,605.41x = 17,514,245.84 × 7,184,839.19 - Step 4: Simplify right side
12,691,605.41x = 125,837,039,902,387.89 - Step 5: Solve for x
x = 125,837,039,902,387.89/12,691,605.41 - Step 6: Final answer
x = 9,914,982.06
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1.5x scale
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.