Finding the Fourth Proportional to 19,747,390.48, 27,251,497.46 and 11,045,563.07
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Solution
The fourth proportional to 19,747,390.48, 27,251,497.46 and 11,045,563.07 is: 15,242,932.18
Step by Step Solution
- Step 1: Write the proportion equation
19,747,390.48 : 27,251,497.46 = 11,045,563.07 : x - Step 2: Convert to fraction form
19,747,390.48/27,251,497.46 = 11,045,563.07/x - Step 3: Cross multiply
19,747,390.48x = 27,251,497.46 × 11,045,563.07 - Step 4: Simplify right side
19,747,390.48x = 301,008,133,891,147 - Step 5: Solve for x
x = 301,008,133,891,147/19,747,390.48 - Step 6: Final answer
x = 15,242,932.18
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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.