Finding the Fourth Proportional to 7,517,880.72, 10,374,589.08 and 4,080,124.08
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Solution
The fourth proportional to 7,517,880.72, 10,374,589.08 and 4,080,124.08 is: 5,630,524.39
Step by Step Solution
- Step 1: Write the proportion equation
7,517,880.72 : 10,374,589.08 = 4,080,124.08 : x - Step 2: Convert to fraction form
7,517,880.72/10,374,589.08 = 4,080,124.08/x - Step 3: Cross multiply
7,517,880.72x = 10,374,589.08 × 4,080,124.08 - Step 4: Simplify right side
7,517,880.72x = 42,329,610,725,413.05 - Step 5: Solve for x
x = 42,329,610,725,413.05/7,517,880.72 - Step 6: Final answer
x = 5,630,524.39
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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.