Finding the Fourth Proportional to 8,303,517.80, 12,455,276.70 and 5,098,250.60
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Solution
The fourth proportional to 8,303,517.80, 12,455,276.70 and 5,098,250.60 is: 7,647,375.90
Step by Step Solution
- Step 1: Write the proportion equation
8,303,517.80 : 12,455,276.70 = 5,098,250.60 : x - Step 2: Convert to fraction form
8,303,517.80/12,455,276.70 = 5,098,250.60/x - Step 3: Cross multiply
8,303,517.80x = 12,455,276.70 × 5,098,250.60 - Step 4: Simplify right side
8,303,517.80x = 63,500,121,908,941.01 - Step 5: Solve for x
x = 63,500,121,908,941.01/8,303,517.80 - Step 6: Final answer
x = 7,647,375.90
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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.