Finding the Fourth Proportional to 8,608,638.90, 11,880,458.76 and 4,741,159.08
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Solution
The fourth proportional to 8,608,638.90, 11,880,458.76 and 4,741,159.08 is: 6,543,095.32
Step by Step Solution
- Step 1: Write the proportion equation
8,608,638.90 : 11,880,458.76 = 4,741,159.08 : x - Step 2: Convert to fraction form
8,608,638.90/11,880,458.76 = 4,741,159.08/x - Step 3: Cross multiply
8,608,638.90x = 11,880,458.76 × 4,741,159.08 - Step 4: Simplify right side
8,608,638.90x = 56,327,144,924,539.54 - Step 5: Solve for x
x = 56,327,144,924,539.54/8,608,638.90 - Step 6: Final answer
x = 6,543,095.32
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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.