Finding the Fourth Proportional to 7,407,522.26, 10,222,777.73 and 4,144,142.31
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Solution
The fourth proportional to 7,407,522.26, 10,222,777.73 and 4,144,142.31 is: 5,719,138.50
Step by Step Solution
- Step 1: Write the proportion equation
7,407,522.26 : 10,222,777.73 = 4,144,142.31 : x - Step 2: Convert to fraction form
7,407,522.26/10,222,777.73 = 4,144,142.31/x - Step 3: Cross multiply
7,407,522.26x = 10,222,777.73 × 4,144,142.31 - Step 4: Simplify right side
7,407,522.26x = 42,364,645,695,898.05 - Step 5: Solve for x
x = 42,364,645,695,898.05/7,407,522.26 - Step 6: Final answer
x = 5,719,138.50
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1.5x scale
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.