Finding the Fourth Proportional to 8,276,561.20, 12,415,230.60 and 2,596,970.80
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Solution
The fourth proportional to 8,276,561.20, 12,415,230.60 and 2,596,970.80 is: 3,895,578.20
Step by Step Solution
- Step 1: Write the proportion equation
8,276,561.20 : 12,415,230.60 = 2,596,970.80 : x - Step 2: Convert to fraction form
8,276,561.20/12,415,230.60 = 2,596,970.80/x - Step 3: Cross multiply
8,276,561.20x = 12,415,230.60 × 2,596,970.80 - Step 4: Simplify right side
8,276,561.20x = 32,241,991,343,466.48 - Step 5: Solve for x
x = 32,241,991,343,466.48/8,276,561.20 - Step 6: Final answer
x = 3,895,578.20
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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.