Finding the Fourth Proportional to 18,085,843.68, 24,952,291.59 and 11,207,816.16
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Solution
The fourth proportional to 18,085,843.68, 24,952,291.59 and 11,207,816.16 is: 15,462,961.08
Step by Step Solution
- Step 1: Write the proportion equation
18,085,843.68 : 24,952,291.59 = 11,207,816.16 : x - Step 2: Convert to fraction form
18,085,843.68/24,952,291.59 = 11,207,816.16/x - Step 3: Cross multiply
18,085,843.68x = 24,952,291.59 × 11,207,816.16 - Step 4: Simplify right side
18,085,843.68x = 279,660,696,911,434.09 - Step 5: Solve for x
x = 279,660,696,911,434.09/18,085,843.68 - Step 6: Final answer
x = 15,462,961.08
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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.