Finding the Fourth Proportional to 8,313,577.43, 11,478,135.22 and 7,440,900.87
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Solution
The fourth proportional to 8,313,577.43, 11,478,135.22 and 7,440,900.87 is: 10,273,274.90
Step by Step Solution
- Step 1: Write the proportion equation
8,313,577.43 : 11,478,135.22 = 7,440,900.87 : x - Step 2: Convert to fraction form
8,313,577.43/11,478,135.22 = 7,440,900.87/x - Step 3: Cross multiply
8,313,577.43x = 11,478,135.22 × 7,440,900.87 - Step 4: Simplify right side
8,313,577.43x = 85,407,666,282,531.53 - Step 5: Solve for x
x = 85,407,666,282,531.53/8,313,577.43 - Step 6: Final answer
x = 10,273,274.90
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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.