Finding the Fourth Proportional to 8,412,284.82, 11,608,984.77 and 5,316,184.08
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Solution
The fourth proportional to 8,412,284.82, 11,608,984.77 and 5,316,184.08 is: 7,336,354.09
Step by Step Solution
- Step 1: Write the proportion equation
8,412,284.82 : 11,608,984.77 = 5,316,184.08 : x - Step 2: Convert to fraction form
8,412,284.82/11,608,984.77 = 5,316,184.08/x - Step 3: Cross multiply
8,412,284.82x = 11,608,984.77 × 5,316,184.08 - Step 4: Simplify right side
8,412,284.82x = 61,715,500,068,194.61 - Step 5: Solve for x
x = 61,715,500,068,194.61/8,412,284.82 - Step 6: Final answer
x = 7,336,354.09
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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.