Finding the Fourth Proportional to 19,651,436.14, 27,119,089.42 and 11,396,392.83
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Solution
The fourth proportional to 19,651,436.14, 27,119,089.42 and 11,396,392.83 is: 15,727,084.47
Step by Step Solution
- Step 1: Write the proportion equation
19,651,436.14 : 27,119,089.42 = 11,396,392.83 : x - Step 2: Convert to fraction form
19,651,436.14/27,119,089.42 = 11,396,392.83/x - Step 3: Cross multiply
19,651,436.14x = 27,119,089.42 × 11,396,392.83 - Step 4: Simplify right side
19,651,436.14x = 309,059,796,222,216.88 - Step 5: Solve for x
x = 309,059,796,222,216.88/19,651,436.14 - Step 6: Final answer
x = 15,727,084.47
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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.