Finding the Fourth Proportional to 15,119,180.85, 22,678,861.49 and 3,759,629.48
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Solution
The fourth proportional to 15,119,180.85, 22,678,861.49 and 3,759,629.48 is: 5,639,466.65
Step by Step Solution
- Step 1: Write the proportion equation
15,119,180.85 : 22,678,861.49 = 3,759,629.48 : x - Step 2: Convert to fraction form
15,119,180.85/22,678,861.49 = 3,759,629.48/x - Step 3: Cross multiply
15,119,180.85x = 22,678,861.49 × 3,759,629.48 - Step 4: Simplify right side
15,119,180.85x = 85,264,116,218,740.53 - Step 5: Solve for x
x = 85,264,116,218,740.53/15,119,180.85 - Step 6: Final answer
x = 5,639,466.65
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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.