Finding the Fourth Proportional to 7,958,863.36, 10,983,680.16 and 6,021,760.80
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Solution
The fourth proportional to 7,958,863.36, 10,983,680.16 and 6,021,760.80 is: 8,310,369.41
Step by Step Solution
- Step 1: Write the proportion equation
7,958,863.36 : 10,983,680.16 = 6,021,760.80 : x - Step 2: Convert to fraction form
7,958,863.36/10,983,680.16 = 6,021,760.80/x - Step 3: Cross multiply
7,958,863.36x = 10,983,680.16 × 6,021,760.80 - Step 4: Simplify right side
7,958,863.36x = 66,141,094,627,225.73 - Step 5: Solve for x
x = 66,141,094,627,225.73/7,958,863.36 - Step 6: Final answer
x = 8,310,369.41
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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.