Finding the Fourth Proportional to 12,263,602.27, 18,398,252.58 and 4,176,648.13
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Solution
The fourth proportional to 12,263,602.27, 18,398,252.58 and 4,176,648.13 is: 6,265,942.54
Step by Step Solution
- Step 1: Write the proportion equation
12,263,602.27 : 18,398,252.58 = 4,176,648.13 : x - Step 2: Convert to fraction form
12,263,602.27/18,398,252.58 = 4,176,648.13/x - Step 3: Cross multiply
12,263,602.27x = 18,398,252.58 × 4,176,648.13 - Step 4: Simplify right side
12,263,602.27x = 76,843,027,187,529.03 - Step 5: Solve for x
x = 76,843,027,187,529.03/12,263,602.27 - Step 6: Final answer
x = 6,265,942.54
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.