Finding the Fourth Proportional to 8,463,723.60, 11,683,513.79 and 5,714,135.26
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Solution
The fourth proportional to 8,463,723.60, 11,683,513.79 and 5,714,135.26 is: 7,887,920.41
Step by Step Solution
- Step 1: Write the proportion equation
8,463,723.60 : 11,683,513.79 = 5,714,135.26 : x - Step 2: Convert to fraction form
8,463,723.60/11,683,513.79 = 5,714,135.26/x - Step 3: Cross multiply
8,463,723.60x = 11,683,513.79 × 5,714,135.26 - Step 4: Simplify right side
8,463,723.60x = 66,761,178,108,135.23 - Step 5: Solve for x
x = 66,761,178,108,135.23/8,463,723.60 - Step 6: Final answer
x = 7,887,920.41
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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.