Finding the Fourth Proportional to 14,876,626.22, 20,529,053.15 and 8,261,634.66
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Solution
The fourth proportional to 14,876,626.22, 20,529,053.15 and 8,261,634.66 is: 11,400,672.07
Step by Step Solution
- Step 1: Write the proportion equation
14,876,626.22 : 20,529,053.15 = 8,261,634.66 : x - Step 2: Convert to fraction form
14,876,626.22/20,529,053.15 = 8,261,634.66/x - Step 3: Cross multiply
14,876,626.22x = 20,529,053.15 × 8,261,634.66 - Step 4: Simplify right side
14,876,626.22x = 169,603,536,999,714 - Step 5: Solve for x
x = 169,603,536,999,714/14,876,626.22 - Step 6: Final answer
x = 11,400,672.07
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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.