Finding the Fourth Proportional to 8,090,837.91, 11,165,695.74 and 4,653,081.66
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Solution
The fourth proportional to 8,090,837.91, 11,165,695.74 and 4,653,081.66 is: 6,421,447.90
Step by Step Solution
- Step 1: Write the proportion equation
8,090,837.91 : 11,165,695.74 = 4,653,081.66 : x - Step 2: Convert to fraction form
8,090,837.91/11,165,695.74 = 4,653,081.66/x - Step 3: Cross multiply
8,090,837.91x = 11,165,695.74 × 4,653,081.66 - Step 4: Simplify right side
8,090,837.91x = 51,954,894,068,934.13 - Step 5: Solve for x
x = 51,954,894,068,934.13/8,090,837.91 - Step 6: Final answer
x = 6,421,447.90
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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.