Finding the Fourth Proportional to 11,659,517.48, 16,090,155.60 and 6,503,211.38
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Solution
The fourth proportional to 11,659,517.48, 16,090,155.60 and 6,503,211.38 is: 8,974,443.68
Step by Step Solution
- Step 1: Write the proportion equation
11,659,517.48 : 16,090,155.60 = 6,503,211.38 : x - Step 2: Convert to fraction form
11,659,517.48/16,090,155.60 = 6,503,211.38/x - Step 3: Cross multiply
11,659,517.48x = 16,090,155.60 × 6,503,211.38 - Step 4: Simplify right side
11,659,517.48x = 104,637,683,019,729.08 - Step 5: Solve for x
x = 104,637,683,019,729.08/11,659,517.48 - Step 6: Final answer
x = 8,974,443.68
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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.