Finding the Fourth Proportional to 18,411,939.68, 27,616,908.08 and 5,632,444.26
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Solution
The fourth proportional to 18,411,939.68, 27,616,908.08 and 5,632,444.26 is: 8,448,360.04
Step by Step Solution
- Step 1: Write the proportion equation
18,411,939.68 : 27,616,908.08 = 5,632,444.26 : x - Step 2: Convert to fraction form
18,411,939.68/27,616,908.08 = 5,632,444.26/x - Step 3: Cross multiply
18,411,939.68x = 27,616,908.08 × 5,632,444.26 - Step 4: Simplify right side
18,411,939.68x = 155,550,695,408,224.72 - Step 5: Solve for x
x = 155,550,695,408,224.72/18,411,939.68 - Step 6: Final answer
x = 8,448,360.04
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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.