Finding the Fourth Proportional to 8,276,586.20, 12,415,268.10 and 2,596,995.80
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Solution
The fourth proportional to 8,276,586.20, 12,415,268.10 and 2,596,995.80 is: 3,895,615.70
Step by Step Solution
- Step 1: Write the proportion equation
8,276,586.20 : 12,415,268.10 = 2,596,995.80 : x - Step 2: Convert to fraction form
8,276,586.20/12,415,268.10 = 2,596,995.80/x - Step 3: Cross multiply
8,276,586.20x = 12,415,268.10 × 2,596,995.80 - Step 4: Simplify right side
8,276,586.20x = 32,242,399,111,573.98 - Step 5: Solve for x
x = 32,242,399,111,573.98/8,276,586.20 - Step 6: Final answer
x = 3,895,615.70
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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.