Finding the Fourth Proportional to 7,465,738.53, 10,297,218.66 and 5,630,274.18
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Solution
The fourth proportional to 7,465,738.53, 10,297,218.66 and 5,630,274.18 is: 7,765,630.17
Step by Step Solution
- Step 1: Write the proportion equation
7,465,738.53 : 10,297,218.66 = 5,630,274.18 : x - Step 2: Convert to fraction form
7,465,738.53/10,297,218.66 = 5,630,274.18/x - Step 3: Cross multiply
7,465,738.53x = 10,297,218.66 × 5,630,274.18 - Step 4: Simplify right side
7,465,738.53x = 57,976,164,347,212.20 - Step 5: Solve for x
x = 57,976,164,347,212.20/7,465,738.53 - Step 6: Final answer
x = 7,765,630.17
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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.