Finding the Fourth Proportional to 29,892,916.80, 44,839,375.20 and 8,330,846.40
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Solution
The fourth proportional to 29,892,916.80, 44,839,375.20 and 8,330,846.40 is: 12,496,269.60
Step by Step Solution
- Step 1: Write the proportion equation
29,892,916.80 : 44,839,375.20 = 8,330,846.40 : x - Step 2: Convert to fraction form
29,892,916.80/44,839,375.20 = 8,330,846.40/x - Step 3: Cross multiply
29,892,916.80x = 44,839,375.20 × 8,330,846.40 - Step 4: Simplify right side
29,892,916.80x = 373,549,947,463,169.31 - Step 5: Solve for x
x = 373,549,947,463,169.31/29,892,916.80 - Step 6: Final answer
x = 12,496,269.60
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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.