Finding the Fourth Proportional to 10,057,918, 13,879,926.84 and 5,474,272.20
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Solution
The fourth proportional to 10,057,918, 13,879,926.84 and 5,474,272.20 is: 7,554,495.64
Step by Step Solution
- Step 1: Write the proportion equation
10,057,918 : 13,879,926.84 = 5,474,272.20 : x - Step 2: Convert to fraction form
10,057,918/13,879,926.84 = 5,474,272.20/x - Step 3: Cross multiply
10,057,918x = 13,879,926.84 × 5,474,272.20 - Step 4: Simplify right side
10,057,918x = 75,982,497,638,245.84 - Step 5: Solve for x
x = 75,982,497,638,245.84/10,057,918 - Step 6: Final answer
x = 7,554,495.64
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.