Finding the Fourth Proportional to 8,861,091.09, 12,230,580.74 and 5,771,313.69
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Solution
The fourth proportional to 8,861,091.09, 12,230,580.74 and 5,771,313.69 is: 7,965,894.64
Step by Step Solution
- Step 1: Write the proportion equation
8,861,091.09 : 12,230,580.74 = 5,771,313.69 : x - Step 2: Convert to fraction form
8,861,091.09/12,230,580.74 = 5,771,313.69/x - Step 3: Cross multiply
8,861,091.09x = 12,230,580.74 × 5,771,313.69 - Step 4: Simplify right side
8,861,091.09x = 70,586,518,032,555.77 - Step 5: Solve for x
x = 70,586,518,032,555.77/8,861,091.09 - Step 6: Final answer
x = 7,965,894.64
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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.