Finding the Fourth Proportional to 8,463,678.48, 11,683,451.51 and 5,714,090.04
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Solution
The fourth proportional to 8,463,678.48, 11,683,451.51 and 5,714,090.04 is: 7,887,857.99
Step by Step Solution
- Step 1: Write the proportion equation
8,463,678.48 : 11,683,451.51 = 5,714,090.04 : x - Step 2: Convert to fraction form
8,463,678.48/11,683,451.51 = 5,714,090.04/x - Step 3: Cross multiply
8,463,678.48x = 11,683,451.51 × 5,714,090.04 - Step 4: Simplify right side
8,463,678.48x = 66,760,293,906,113.96 - Step 5: Solve for x
x = 66,760,293,906,113.96/8,463,678.48 - Step 6: Final answer
x = 7,887,857.99
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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.