Finding the Fourth Proportional to 11,948,794.90, 17,923,192.35 and 4,378,713.10
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Solution
The fourth proportional to 11,948,794.90, 17,923,192.35 and 4,378,713.10 is: 6,568,069.65
Step by Step Solution
- Step 1: Write the proportion equation
11,948,794.90 : 17,923,192.35 = 4,378,713.10 : x - Step 2: Convert to fraction form
11,948,794.90/17,923,192.35 = 4,378,713.10/x - Step 3: Cross multiply
11,948,794.90x = 17,923,192.35 × 4,378,713.10 - Step 4: Simplify right side
11,948,794.90x = 78,480,517,136,764.78 - Step 5: Solve for x
x = 78,480,517,136,764.78/11,948,794.90 - Step 6: Final answer
x = 6,568,069.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.