Finding the Fourth Proportional to 18,129,392.68, 27,169,832.76 and 8,893,244.56
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Solution
The fourth proportional to 18,129,392.68, 27,169,832.76 and 8,893,244.56 is: 13,327,968.10
Step by Step Solution
- Step 1: Write the proportion equation
18,129,392.68 : 27,169,832.76 = 8,893,244.56 : x - Step 2: Convert to fraction form
18,129,392.68/27,169,832.76 = 8,893,244.56/x - Step 3: Cross multiply
18,129,392.68x = 27,169,832.76 × 8,893,244.56 - Step 4: Simplify right side
18,129,392.68x = 241,627,967,388,979.81 - Step 5: Solve for x
x = 241,627,967,388,979.81/18,129,392.68 - Step 6: Final answer
x = 13,327,968.10
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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.