Finding the Fourth Proportional to 18,622,973.48, 27,935,640.99 and 5,843,982.56
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Solution
The fourth proportional to 18,622,973.48, 27,935,640.99 and 5,843,982.56 is: 8,766,344.37
Step by Step Solution
- Step 1: Write the proportion equation
18,622,973.48 : 27,935,640.99 = 5,843,982.56 : x - Step 2: Convert to fraction form
18,622,973.48/27,935,640.99 = 5,843,982.56/x - Step 3: Cross multiply
18,622,973.48x = 27,935,640.99 × 5,843,982.56 - Step 4: Simplify right side
18,622,973.48x = 163,255,398,608,302.91 - Step 5: Solve for x
x = 163,255,398,608,302.91/18,622,973.48 - Step 6: Final answer
x = 8,766,344.37
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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.