Finding the Fourth Proportional to 8,102,037.70, 11,182,186.92 and 4,666,268.08
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Solution
The fourth proportional to 8,102,037.70, 11,182,186.92 and 4,666,268.08 is: 6,440,241.80
Step by Step Solution
- Step 1: Write the proportion equation
8,102,037.70 : 11,182,186.92 = 4,666,268.08 : x - Step 2: Convert to fraction form
8,102,037.70/11,182,186.92 = 4,666,268.08/x - Step 3: Cross multiply
8,102,037.70x = 11,182,186.92 × 4,666,268.08 - Step 4: Simplify right side
8,102,037.70x = 52,179,081,889,389.52 - Step 5: Solve for x
x = 52,179,081,889,389.52/8,102,037.70 - Step 6: Final answer
x = 6,440,241.80
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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.