Finding the Fourth Proportional to 8,463,690.60, 11,683,468.11 and 5,714,102.13
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Solution
The fourth proportional to 8,463,690.60, 11,683,468.11 and 5,714,102.13 is: 7,887,874.59
Step by Step Solution
- Step 1: Write the proportion equation
8,463,690.60 : 11,683,468.11 = 5,714,102.13 : x - Step 2: Convert to fraction form
8,463,690.60/11,683,468.11 = 5,714,102.13/x - Step 3: Cross multiply
8,463,690.60x = 11,683,468.11 × 5,714,102.13 - Step 4: Simplify right side
8,463,690.60x = 66,760,530,013,138.07 - Step 5: Solve for x
x = 66,760,530,013,138.07/8,463,690.60 - Step 6: Final answer
x = 7,887,874.59
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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.