Finding the Fourth Proportional to 18,341,758.38, 27,512,619.72 and 4,694,882.94
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Solution
The fourth proportional to 18,341,758.38, 27,512,619.72 and 4,694,882.94 is: 7,042,319.84
Step by Step Solution
- Step 1: Write the proportion equation
18,341,758.38 : 27,512,619.72 = 4,694,882.94 : x - Step 2: Convert to fraction form
18,341,758.38/27,512,619.72 = 4,694,882.94/x - Step 3: Cross multiply
18,341,758.38x = 27,512,619.72 × 4,694,882.94 - Step 4: Simplify right side
18,341,758.38x = 129,168,528,958,135.58 - Step 5: Solve for x
x = 129,168,528,958,135.58/18,341,758.38 - Step 6: Final answer
x = 7,042,319.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.