Finding the Fourth Proportional to 14,891,669.66, 20,548,265.67 and 8,364,048.68
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Solution
The fourth proportional to 14,891,669.66, 20,548,265.67 and 8,364,048.68 is: 11,541,129.93
Step by Step Solution
- Step 1: Write the proportion equation
14,891,669.66 : 20,548,265.67 = 8,364,048.68 : x - Step 2: Convert to fraction form
14,891,669.66/20,548,265.67 = 8,364,048.68/x - Step 3: Cross multiply
14,891,669.66x = 20,548,265.67 × 8,364,048.68 - Step 4: Simplify right side
14,891,669.66x = 171,866,694,353,452.81 - Step 5: Solve for x
x = 171,866,694,353,452.81/14,891,669.66 - Step 6: Final answer
x = 11,541,129.93
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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.