Finding the Fourth Proportional to 8,197,808.40, 12,296,712.60 and 2,518,315.20
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Solution
The fourth proportional to 8,197,808.40, 12,296,712.60 and 2,518,315.20 is: 3,777,472.80
Step by Step Solution
- Step 1: Write the proportion equation
8,197,808.40 : 12,296,712.60 = 2,518,315.20 : x - Step 2: Convert to fraction form
8,197,808.40/12,296,712.60 = 2,518,315.20/x - Step 3: Cross multiply
8,197,808.40x = 12,296,712.60 × 2,518,315.20 - Step 4: Simplify right side
8,197,808.40x = 30,966,998,250,611.52 - Step 5: Solve for x
x = 30,966,998,250,611.52/8,197,808.40 - Step 6: Final answer
x = 3,777,472.80
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1.5x scale
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.