Finding the Fourth Proportional to 17,926,287.80, 26,889,431.70 and 4,463,115.80
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Solution
The fourth proportional to 17,926,287.80, 26,889,431.70 and 4,463,115.80 is: 6,694,673.70
Step by Step Solution
- Step 1: Write the proportion equation
17,926,287.80 : 26,889,431.70 = 4,463,115.80 : x - Step 2: Convert to fraction form
17,926,287.80/26,889,431.70 = 4,463,115.80/x - Step 3: Cross multiply
17,926,287.80x = 26,889,431.70 × 4,463,115.80 - Step 4: Simplify right side
17,926,287.80x = 120,010,647,473,290.86 - Step 5: Solve for x
x = 120,010,647,473,290.86/17,926,287.80 - Step 6: Final answer
x = 6,694,673.70
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1.5x scale
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.