Finding the Fourth Proportional to 11,246,349.40, 15,519,983.22 and 6,284,790.68
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Solution
The fourth proportional to 11,246,349.40, 15,519,983.22 and 6,284,790.68 is: 8,673,022.90
Step by Step Solution
- Step 1: Write the proportion equation
11,246,349.40 : 15,519,983.22 = 6,284,790.68 : x - Step 2: Convert to fraction form
11,246,349.40/15,519,983.22 = 6,284,790.68/x - Step 3: Cross multiply
11,246,349.40x = 15,519,983.22 × 6,284,790.68 - Step 4: Simplify right side
11,246,349.40x = 97,539,845,894,812.39 - Step 5: Solve for x
x = 97,539,845,894,812.39/11,246,349.40 - Step 6: Final answer
x = 8,673,022.90
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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.