Finding the Fourth Proportional to 8,532,376.20, 12,805,562.70 and 8,252,440.20
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Solution
The fourth proportional to 8,532,376.20, 12,805,562.70 and 8,252,440.20 is: 12,385,429.09
Step by Step Solution
- Step 1: Write the proportion equation
8,532,376.20 : 12,805,562.70 = 8,252,440.20 : x - Step 2: Convert to fraction form
8,532,376.20/12,805,562.70 = 8,252,440.20/x - Step 3: Cross multiply
8,532,376.20x = 12,805,562.70 × 8,252,440.20 - Step 4: Simplify right side
8,532,376.20x = 105,677,140,409,100.53 - Step 5: Solve for x
x = 105,677,140,409,100.53/8,532,376.20 - Step 6: Final answer
x = 12,385,429.09
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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.