Finding the Fourth Proportional to 8,282,787.40, 12,416,793.90 and 3,232,923.40
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Solution
The fourth proportional to 8,282,787.40, 12,416,793.90 and 3,232,923.40 is: 4,846,501.74
Step by Step Solution
- Step 1: Write the proportion equation
8,282,787.40 : 12,416,793.90 = 3,232,923.40 : x - Step 2: Convert to fraction form
8,282,787.40/12,416,793.90 = 3,232,923.40/x - Step 3: Cross multiply
8,282,787.40x = 12,416,793.90 × 3,232,923.40 - Step 4: Simplify right side
8,282,787.40x = 40,142,543,552,287.26 - Step 5: Solve for x
x = 40,142,543,552,287.26/8,282,787.40 - Step 6: Final answer
x = 4,846,501.74
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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.