Finding the Fourth Proportional to 7,687,236.42, 10,607,880.69 and 4,423,524.48
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Solution
The fourth proportional to 7,687,236.42, 10,607,880.69 and 4,423,524.48 is: 6,104,172.86
Step by Step Solution
- Step 1: Write the proportion equation
7,687,236.42 : 10,607,880.69 = 4,423,524.48 : x - Step 2: Convert to fraction form
7,687,236.42/10,607,880.69 = 4,423,524.48/x - Step 3: Cross multiply
7,687,236.42x = 10,607,880.69 × 4,423,524.48 - Step 4: Simplify right side
7,687,236.42x = 46,924,219,913,134.30 - Step 5: Solve for x
x = 46,924,219,913,134.30/7,687,236.42 - Step 6: Final answer
x = 6,104,172.86
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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.