Finding the Fourth Proportional to 32,456,472.12, 44,791,135.02 and 18,520,091.64
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Solution
The fourth proportional to 32,456,472.12, 44,791,135.02 and 18,520,091.64 is: 25,558,413.19
Step by Step Solution
- Step 1: Write the proportion equation
32,456,472.12 : 44,791,135.02 = 18,520,091.64 : x - Step 2: Convert to fraction form
32,456,472.12/44,791,135.02 = 18,520,091.64/x - Step 3: Cross multiply
32,456,472.12x = 44,791,135.02 × 18,520,091.64 - Step 4: Simplify right side
32,456,472.12x = 829,535,925,230,013.38 - Step 5: Solve for x
x = 829,535,925,230,013.38/32,456,472.12 - Step 6: Final answer
x = 25,558,413.19
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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.