Finding the Fourth Proportional to 16,336,233.20, 24,451,205.70 and 12,722,434.40
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Solution
The fourth proportional to 16,336,233.20, 24,451,205.70 and 12,722,434.40 is: 19,042,263.70
Step by Step Solution
- Step 1: Write the proportion equation
16,336,233.20 : 24,451,205.70 = 12,722,434.40 : x - Step 2: Convert to fraction form
16,336,233.20/24,451,205.70 = 12,722,434.40/x - Step 3: Cross multiply
16,336,233.20x = 24,451,205.70 × 12,722,434.40 - Step 4: Simplify right side
16,336,233.20x = 311,078,860,519,156.06 - Step 5: Solve for x
x = 311,078,860,519,156.06/16,336,233.20 - Step 6: Final answer
x = 19,042,263.70
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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.