Finding the Fourth Proportional to 18,209,424.48, 27,315,975.23 and 5,912,873.66
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Solution
The fourth proportional to 18,209,424.48, 27,315,975.23 and 5,912,873.66 is: 8,869,907.47
Step by Step Solution
- Step 1: Write the proportion equation
18,209,424.48 : 27,315,975.23 = 5,912,873.66 : x - Step 2: Convert to fraction form
18,209,424.48/27,315,975.23 = 5,912,873.66/x - Step 3: Cross multiply
18,209,424.48x = 27,315,975.23 × 5,912,873.66 - Step 4: Simplify right side
18,209,424.48x = 161,515,910,268,535.22 - Step 5: Solve for x
x = 161,515,910,268,535.22/18,209,424.48 - Step 6: Final answer
x = 8,869,907.47
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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.