Finding the Fourth Proportional to 7,467,751.13, 11,202,492.99 and 2,608,553.03
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Solution
The fourth proportional to 7,467,751.13, 11,202,492.99 and 2,608,553.03 is: 3,913,132.15
Step by Step Solution
- Step 1: Write the proportion equation
7,467,751.13 : 11,202,492.99 = 2,608,553.03 : x - Step 2: Convert to fraction form
7,467,751.13/11,202,492.99 = 2,608,553.03/x - Step 3: Cross multiply
7,467,751.13x = 11,202,492.99 × 2,608,553.03 - Step 4: Simplify right side
7,467,751.13x = 29,222,297,032,618.26 - Step 5: Solve for x
x = 29,222,297,032,618.26/7,467,751.13 - Step 6: Final answer
x = 3,913,132.15
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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.