Finding the Fourth Proportional to 18,633,206.97, 27,955,514.81 and 9,541,741.66
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Solution
The fourth proportional to 18,633,206.97, 27,955,514.81 and 9,541,741.66 is: 14,315,533.59
Step by Step Solution
- Step 1: Write the proportion equation
18,633,206.97 : 27,955,514.81 = 9,541,741.66 : x - Step 2: Convert to fraction form
18,633,206.97/27,955,514.81 = 9,541,741.66/x - Step 3: Cross multiply
18,633,206.97x = 27,955,514.81 × 9,541,741.66 - Step 4: Simplify right side
18,633,206.97x = 266,744,300,243,289.56 - Step 5: Solve for x
x = 266,744,300,243,289.56/18,633,206.97 - Step 6: Final answer
x = 14,315,533.59
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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.