Finding the Fourth Proportional to 18,294,415.19, 27,444,146.25 and 10,621,673.48
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Solution
The fourth proportional to 18,294,415.19, 27,444,146.25 and 10,621,673.48 is: 15,933,975.33
Step by Step Solution
- Step 1: Write the proportion equation
18,294,415.19 : 27,444,146.25 = 10,621,673.48 : x - Step 2: Convert to fraction form
18,294,415.19/27,444,146.25 = 10,621,673.48/x - Step 3: Cross multiply
18,294,415.19x = 27,444,146.25 × 10,621,673.48 - Step 4: Simplify right side
18,294,415.19x = 291,502,760,404,866.44 - Step 5: Solve for x
x = 291,502,760,404,866.44/18,294,415.19 - Step 6: Final answer
x = 15,933,975.33
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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.