Finding the Fourth Proportional to 8,331,617.20, 12,497,425.80 and 2,652,415.60
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Solution
The fourth proportional to 8,331,617.20, 12,497,425.80 and 2,652,415.60 is: 3,978,623.40
Step by Step Solution
- Step 1: Write the proportion equation
8,331,617.20 : 12,497,425.80 = 2,652,415.60 : x - Step 2: Convert to fraction form
8,331,617.20/12,497,425.80 = 2,652,415.60/x - Step 3: Cross multiply
8,331,617.20x = 12,497,425.80 × 2,652,415.60 - Step 4: Simplify right side
8,331,617.20x = 33,148,367,151,762.48 - Step 5: Solve for x
x = 33,148,367,151,762.48/8,331,617.20 - Step 6: Final answer
x = 3,978,623.40
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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.