Finding the Fourth Proportional to 12,083,945.04, 16,677,436.68 and 7,255,360.08
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Solution
The fourth proportional to 12,083,945.04, 16,677,436.68 and 7,255,360.08 is: 10,013,353.08
Step by Step Solution
- Step 1: Write the proportion equation
12,083,945.04 : 16,677,436.68 = 7,255,360.08 : x - Step 2: Convert to fraction form
12,083,945.04/16,677,436.68 = 7,255,360.08/x - Step 3: Cross multiply
12,083,945.04x = 16,677,436.68 × 7,255,360.08 - Step 4: Simplify right side
12,083,945.04x = 121,000,808,324,799.73 - Step 5: Solve for x
x = 121,000,808,324,799.73/12,083,945.04 - Step 6: Final answer
x = 10,013,353.08
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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.