Finding the Fourth Proportional to 8,205,186.47, 11,323,129.33 and 4,534,000.79
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Solution
The fourth proportional to 8,205,186.47, 11,323,129.33 and 4,534,000.79 is: 6,256,905.62
Step by Step Solution
- Step 1: Write the proportion equation
8,205,186.47 : 11,323,129.33 = 4,534,000.79 : x - Step 2: Convert to fraction form
8,205,186.47/11,323,129.33 = 4,534,000.79/x - Step 3: Cross multiply
8,205,186.47x = 11,323,129.33 × 4,534,000.79 - Step 4: Simplify right side
8,205,186.47x = 51,339,077,327,492.17 - Step 5: Solve for x
x = 51,339,077,327,492.17/8,205,186.47 - Step 6: Final answer
x = 6,256,905.62
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Double scale
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1.5x scale
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.