Finding the Fourth Proportional to 17,117,805.47, 25,676,706.63 and 7,533,183.99
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Solution
The fourth proportional to 17,117,805.47, 25,676,706.63 and 7,533,183.99 is: 11,299,775.30
Step by Step Solution
- Step 1: Write the proportion equation
17,117,805.47 : 25,676,706.63 = 7,533,183.99 : x - Step 2: Convert to fraction form
17,117,805.47/25,676,706.63 = 7,533,183.99/x - Step 3: Cross multiply
17,117,805.47x = 25,676,706.63 × 7,533,183.99 - Step 4: Simplify right side
17,117,805.47x = 193,427,355,301,042.84 - Step 5: Solve for x
x = 193,427,355,301,042.84/17,117,805.47 - Step 6: Final answer
x = 11,299,775.30
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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.