Finding the Fourth Proportional to 14,771,716.97, 20,388,370.67 and 8,662,113.77
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Solution
The fourth proportional to 14,771,716.97, 20,388,370.67 and 8,662,113.77 is: 11,955,711.49
Step by Step Solution
- Step 1: Write the proportion equation
14,771,716.97 : 20,388,370.67 = 8,662,113.77 : x - Step 2: Convert to fraction form
14,771,716.97/20,388,370.67 = 8,662,113.77/x - Step 3: Cross multiply
14,771,716.97x = 20,388,370.67 × 8,662,113.77 - Step 4: Simplify right side
14,771,716.97x = 176,606,386,183,218.72 - Step 5: Solve for x
x = 176,606,386,183,218.72/14,771,716.97 - Step 6: Final answer
x = 11,955,711.49
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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.