Finding the Fourth Proportional to 7,447,193.26, 10,276,566.46 and 4,183,370.55
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Solution
The fourth proportional to 7,447,193.26, 10,276,566.46 and 4,183,370.55 is: 5,772,736.65
Step by Step Solution
- Step 1: Write the proportion equation
7,447,193.26 : 10,276,566.46 = 4,183,370.55 : x - Step 2: Convert to fraction form
7,447,193.26/10,276,566.46 = 4,183,370.55/x - Step 3: Cross multiply
7,447,193.26x = 10,276,566.46 × 4,183,370.55 - Step 4: Simplify right side
7,447,193.26x = 42,990,685,473,423.32 - Step 5: Solve for x
x = 42,990,685,473,423.32/7,447,193.26 - Step 6: Final answer
x = 5,772,736.65
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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.