Finding the Fourth Proportional to 8,225,909.10, 11,353,136.25 and 4,790,175.84
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Solution
The fourth proportional to 8,225,909.10, 11,353,136.25 and 4,790,175.84 is: 6,611,247.26
Step by Step Solution
- Step 1: Write the proportion equation
8,225,909.10 : 11,353,136.25 = 4,790,175.84 : x - Step 2: Convert to fraction form
8,225,909.10/11,353,136.25 = 4,790,175.84/x - Step 3: Cross multiply
8,225,909.10x = 11,353,136.25 × 4,790,175.84 - Step 4: Simplify right side
8,225,909.10x = 54,383,518,972,978.20 - Step 5: Solve for x
x = 54,383,518,972,978.20/8,225,909.10 - Step 6: Final answer
x = 6,611,247.26
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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.