Finding the Fourth Proportional to 8,577,912.84, 12,867,283.07 and 2,820,519.01
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Solution
The fourth proportional to 8,577,912.84, 12,867,283.07 and 2,820,519.01 is: 4,230,914.58
Step by Step Solution
- Step 1: Write the proportion equation
8,577,912.84 : 12,867,283.07 = 2,820,519.01 : x - Step 2: Convert to fraction form
8,577,912.84/12,867,283.07 = 2,820,519.01/x - Step 3: Cross multiply
8,577,912.84x = 12,867,283.07 × 2,820,519.01 - Step 4: Simplify right side
8,577,912.84x = 36,292,416,505,986.16 - Step 5: Solve for x
x = 36,292,416,505,986.16/8,577,912.84 - Step 6: Final answer
x = 4,230,914.58
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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.