Finding the Fourth Proportional to 7,467,553.70, 11,193,457.35 and 2,916,844.10
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Solution
The fourth proportional to 7,467,553.70, 11,193,457.35 and 2,916,844.10 is: 4,372,190.86
Step by Step Solution
- Step 1: Write the proportion equation
7,467,553.70 : 11,193,457.35 = 2,916,844.10 : x - Step 2: Convert to fraction form
7,467,553.70/11,193,457.35 = 2,916,844.10/x - Step 3: Cross multiply
7,467,553.70x = 11,193,457.35 × 2,916,844.10 - Step 4: Simplify right side
7,467,553.70x = 32,649,570,029,949.14 - Step 5: Solve for x
x = 32,649,570,029,949.14/7,467,553.70 - Step 6: Final answer
x = 4,372,190.86
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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.