Finding the Fourth Proportional to 8,451,554.31, 12,677,549.85 and 2,303,586.54
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Solution
The fourth proportional to 8,451,554.31, 12,677,549.85 and 2,303,586.54 is: 3,455,439.33
Step by Step Solution
- Step 1: Write the proportion equation
8,451,554.31 : 12,677,549.85 = 2,303,586.54 : x - Step 2: Convert to fraction form
8,451,554.31/12,677,549.85 = 2,303,586.54/x - Step 3: Cross multiply
8,451,554.31x = 12,677,549.85 × 2,303,586.54 - Step 4: Simplify right side
8,451,554.31x = 29,203,833,194,639.02 - Step 5: Solve for x
x = 29,203,833,194,639.02/8,451,554.31 - Step 6: Final answer
x = 3,455,439.33
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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.