Finding the Fourth Proportional to 9,966,343.60, 14,949,515.40 and 8,531,452.90
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Solution
The fourth proportional to 9,966,343.60, 14,949,515.40 and 8,531,452.90 is: 12,797,179.35
Step by Step Solution
- Step 1: Write the proportion equation
9,966,343.60 : 14,949,515.40 = 8,531,452.90 : x - Step 2: Convert to fraction form
9,966,343.60/14,949,515.40 = 8,531,452.90/x - Step 3: Cross multiply
9,966,343.60x = 14,949,515.40 × 8,531,452.90 - Step 4: Simplify right side
9,966,343.60x = 127,541,086,512,924.67 - Step 5: Solve for x
x = 127,541,086,512,924.67/9,966,343.60 - Step 6: Final answer
x = 12,797,179.35
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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.