Finding the Fourth Proportional to 11,618,229.60, 16,033,362.84 and 6,461,593.38
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Solution
The fourth proportional to 11,618,229.60, 16,033,362.84 and 6,461,593.38 is: 8,917,113.43
Step by Step Solution
- Step 1: Write the proportion equation
11,618,229.60 : 16,033,362.84 = 6,461,593.38 : x - Step 2: Convert to fraction form
11,618,229.60/16,033,362.84 = 6,461,593.38/x - Step 3: Cross multiply
11,618,229.60x = 16,033,362.84 × 6,461,593.38 - Step 4: Simplify right side
11,618,229.60x = 103,601,071,186,082 - Step 5: Solve for x
x = 103,601,071,186,082/11,618,229.60 - Step 6: Final answer
x = 8,917,113.43
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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.