Finding the Fourth Proportional to 25,889,668.53, 35,741,175.42 and 18,912,512.49
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Solution
The fourth proportional to 25,889,668.53, 35,741,175.42 and 18,912,512.49 is: 26,109,079.99
Step by Step Solution
- Step 1: Write the proportion equation
25,889,668.53 : 35,741,175.42 = 18,912,512.49 : x - Step 2: Convert to fraction form
25,889,668.53/35,741,175.42 = 18,912,512.49/x - Step 3: Cross multiply
25,889,668.53x = 35,741,175.42 × 18,912,512.49 - Step 4: Simplify right side
25,889,668.53x = 675,955,426,538,031 - Step 5: Solve for x
x = 675,955,426,538,031/25,889,668.53 - Step 6: Final answer
x = 26,109,079.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.