Finding the Fourth Proportional to 10,482,787.92, 15,724,269.90 and 2,910,344.16
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Solution
The fourth proportional to 10,482,787.92, 15,724,269.90 and 2,910,344.16 is: 4,365,540.68
Step by Step Solution
- Step 1: Write the proportion equation
10,482,787.92 : 15,724,269.90 = 2,910,344.16 : x - Step 2: Convert to fraction form
10,482,787.92/15,724,269.90 = 2,910,344.16/x - Step 3: Cross multiply
10,482,787.92x = 15,724,269.90 × 2,910,344.16 - Step 4: Simplify right side
10,482,787.92x = 45,763,037,073,728.79 - Step 5: Solve for x
x = 45,763,037,073,728.79/10,482,787.92 - Step 6: Final answer
x = 4,365,540.68
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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.