Finding the Fourth Proportional to 18,085,842.96, 24,952,290.54 and 11,207,815.44
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Solution
The fourth proportional to 18,085,842.96, 24,952,290.54 and 11,207,815.44 is: 15,462,960.05
Step by Step Solution
- Step 1: Write the proportion equation
18,085,842.96 : 24,952,290.54 = 11,207,815.44 : x - Step 2: Convert to fraction form
18,085,842.96/24,952,290.54 = 11,207,815.44/x - Step 3: Cross multiply
18,085,842.96x = 24,952,290.54 × 11,207,815.44 - Step 4: Simplify right side
18,085,842.96x = 279,660,667,177,577.91 - Step 5: Solve for x
x = 279,660,667,177,577.91/18,085,842.96 - Step 6: Final answer
x = 15,462,960.05
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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.