Finding the Fourth Proportional to 6,927,768.76, 9,560,020.18 and 3,787,974.84
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Solution
The fourth proportional to 6,927,768.76, 9,560,020.18 and 3,787,974.84 is: 5,227,240.86
Step by Step Solution
- Step 1: Write the proportion equation
6,927,768.76 : 9,560,020.18 = 3,787,974.84 : x - Step 2: Convert to fraction form
6,927,768.76/9,560,020.18 = 3,787,974.84/x - Step 3: Cross multiply
6,927,768.76x = 9,560,020.18 × 3,787,974.84 - Step 4: Simplify right side
6,927,768.76x = 36,213,115,911,732.27 - Step 5: Solve for x
x = 36,213,115,911,732.27/6,927,768.76 - Step 6: Final answer
x = 5,227,240.86
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1.5x scale
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.