Finding the Fourth Proportional to 7,474,031.66, 10,314,163.84 and 4,036,272.70
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Solution
The fourth proportional to 7,474,031.66, 10,314,163.84 and 4,036,272.70 is: 5,570,056.40
Step by Step Solution
- Step 1: Write the proportion equation
7,474,031.66 : 10,314,163.84 = 4,036,272.70 : x - Step 2: Convert to fraction form
7,474,031.66/10,314,163.84 = 4,036,272.70/x - Step 3: Cross multiply
7,474,031.66x = 10,314,163.84 × 4,036,272.70 - Step 4: Simplify right side
7,474,031.66x = 41,630,777,876,972.10 - Step 5: Solve for x
x = 41,630,777,876,972.10/7,474,031.66 - Step 6: Final answer
x = 5,570,056.40
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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.