Finding the Fourth Proportional to 8,807,717.80, 13,211,576.70 and 5,028,581.80
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Solution
The fourth proportional to 8,807,717.80, 13,211,576.70 and 5,028,581.80 is: 7,542,872.70
Step by Step Solution
- Step 1: Write the proportion equation
8,807,717.80 : 13,211,576.70 = 5,028,581.80 : x - Step 2: Convert to fraction form
8,807,717.80/13,211,576.70 = 5,028,581.80/x - Step 3: Cross multiply
8,807,717.80x = 13,211,576.70 × 5,028,581.80 - Step 4: Simplify right side
8,807,717.80x = 66,435,494,142,924.05 - Step 5: Solve for x
x = 66,435,494,142,924.05/8,807,717.80 - Step 6: Final answer
x = 7,542,872.70
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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.