Finding the Fourth Proportional to 7,517,863.08, 10,374,728.58 and 4,080,133.80
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Solution
The fourth proportional to 7,517,863.08, 10,374,728.58 and 4,080,133.80 is: 5,630,626.72
Step by Step Solution
- Step 1: Write the proportion equation
7,517,863.08 : 10,374,728.58 = 4,080,133.80 : x - Step 2: Convert to fraction form
7,517,863.08/10,374,728.58 = 4,080,133.80/x - Step 3: Cross multiply
7,517,863.08x = 10,374,728.58 × 4,080,133.80 - Step 4: Simplify right side
7,517,863.08x = 42,330,280,745,084 - Step 5: Solve for x
x = 42,330,280,745,084/7,517,863.08 - Step 6: Final answer
x = 5,630,626.72
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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.