Finding the Fourth Proportional to 19,577,864.88, 27,006,569.64 and 18,192,306.96
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Solution
The fourth proportional to 19,577,864.88, 27,006,569.64 and 18,192,306.96 is: 25,095,269.98
Step by Step Solution
- Step 1: Write the proportion equation
19,577,864.88 : 27,006,569.64 = 18,192,306.96 : x - Step 2: Convert to fraction form
19,577,864.88/27,006,569.64 = 18,192,306.96/x - Step 3: Cross multiply
19,577,864.88x = 27,006,569.64 × 18,192,306.96 - Step 4: Simplify right side
19,577,864.88x = 491,311,804,827,496.75 - Step 5: Solve for x
x = 491,311,804,827,496.75/19,577,864.88 - Step 6: Final answer
x = 25,095,269.98
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.