Finding the Fourth Proportional to 19,952,198.46, 27,531,694.73 and 11,249,852.09
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Solution
The fourth proportional to 19,952,198.46, 27,531,694.73 and 11,249,852.09 is: 15,523,476.97
Step by Step Solution
- Step 1: Write the proportion equation
19,952,198.46 : 27,531,694.73 = 11,249,852.09 : x - Step 2: Convert to fraction form
19,952,198.46/27,531,694.73 = 11,249,852.09/x - Step 3: Cross multiply
19,952,198.46x = 27,531,694.73 × 11,249,852.09 - Step 4: Simplify right side
19,952,198.46x = 309,727,493,389,998.69 - Step 5: Solve for x
x = 309,727,493,389,998.69/19,952,198.46 - Step 6: Final answer
x = 15,523,476.97
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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.