Finding the Fourth Proportional to 27,170,523.63, 37,549,120.19 and 22,268,013.21
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Solution
The fourth proportional to 27,170,523.63, 37,549,120.19 and 22,268,013.21 is: 30,773,948.85
Step by Step Solution
- Step 1: Write the proportion equation
27,170,523.63 : 37,549,120.19 = 22,268,013.21 : x - Step 2: Convert to fraction form
27,170,523.63/37,549,120.19 = 22,268,013.21/x - Step 3: Cross multiply
27,170,523.63x = 37,549,120.19 × 22,268,013.21 - Step 4: Simplify right side
27,170,523.63x = 836,144,304,303,457.75 - Step 5: Solve for x
x = 836,144,304,303,457.75/27,170,523.63 - Step 6: Final answer
x = 30,773,948.85
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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.