Finding the Fourth Proportional to 6,812,611.26, 10,207,349.16 and 4,111,261.02
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Solution
The fourth proportional to 6,812,611.26, 10,207,349.16 and 4,111,261.02 is: 6,159,910.66
Step by Step Solution
- Step 1: Write the proportion equation
6,812,611.26 : 10,207,349.16 = 4,111,261.02 : x - Step 2: Convert to fraction form
6,812,611.26/10,207,349.16 = 4,111,261.02/x - Step 3: Cross multiply
6,812,611.26x = 10,207,349.16 × 4,111,261.02 - Step 4: Simplify right side
6,812,611.26x = 41,965,076,719,037.74 - Step 5: Solve for x
x = 41,965,076,719,037.74/6,812,611.26 - Step 6: Final answer
x = 6,159,910.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.