Finding the Fourth Proportional to 20,229,844.05, 30,344,766.08 and 11,726,788.05
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Solution
The fourth proportional to 20,229,844.05, 30,344,766.08 and 11,726,788.05 is: 17,590,182.08
Step by Step Solution
- Step 1: Write the proportion equation
20,229,844.05 : 30,344,766.08 = 11,726,788.05 : x - Step 2: Convert to fraction form
20,229,844.05/30,344,766.08 = 11,726,788.05/x - Step 3: Cross multiply
20,229,844.05x = 30,344,766.08 × 11,726,788.05 - Step 4: Simplify right side
20,229,844.05x = 355,846,640,188,355.44 - Step 5: Solve for x
x = 355,846,640,188,355.44/20,229,844.05 - Step 6: Final answer
x = 17,590,182.08
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1.5x scale
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.