Finding the Fourth Proportional to 7,080,824.47, 9,771,523.25 and 3,983,349.95
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Solution
The fourth proportional to 7,080,824.47, 9,771,523.25 and 3,983,349.95 is: 5,497,014.76
Step by Step Solution
- Step 1: Write the proportion equation
7,080,824.47 : 9,771,523.25 = 3,983,349.95 : x - Step 2: Convert to fraction form
7,080,824.47/9,771,523.25 = 3,983,349.95/x - Step 3: Cross multiply
7,080,824.47x = 9,771,523.25 × 3,983,349.95 - Step 4: Simplify right side
7,080,824.47x = 38,923,396,649,311.34 - Step 5: Solve for x
x = 38,923,396,649,311.34/7,080,824.47 - Step 6: Final answer
x = 5,497,014.76
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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.