Finding the Fourth Proportional to 11,900,736.97, 16,423,363.44 and 6,743,927.05
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Solution
The fourth proportional to 11,900,736.97, 16,423,363.44 and 6,743,927.05 is: 9,306,815.63
Step by Step Solution
- Step 1: Write the proportion equation
11,900,736.97 : 16,423,363.44 = 6,743,927.05 : x - Step 2: Convert to fraction form
11,900,736.97/16,423,363.44 = 6,743,927.05/x - Step 3: Cross multiply
11,900,736.97x = 16,423,363.44 × 6,743,927.05 - Step 4: Simplify right side
11,900,736.97x = 110,757,964,839,160.61 - Step 5: Solve for x
x = 110,757,964,839,160.61/11,900,736.97 - Step 6: Final answer
x = 9,306,815.63
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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.