Finding the Fourth Proportional to 16,313,589.18, 22,512,304.08 and 8,971,422.30
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Solution
The fourth proportional to 16,313,589.18, 22,512,304.08 and 8,971,422.30 is: 12,380,315.86
Step by Step Solution
- Step 1: Write the proportion equation
16,313,589.18 : 22,512,304.08 = 8,971,422.30 : x - Step 2: Convert to fraction form
16,313,589.18/22,512,304.08 = 8,971,422.30/x - Step 3: Cross multiply
16,313,589.18x = 22,512,304.08 × 8,971,422.30 - Step 4: Simplify right side
16,313,589.18x = 201,967,386,847,693 - Step 5: Solve for x
x = 201,967,386,847,693/16,313,589.18 - Step 6: Final answer
x = 12,380,315.86
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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.