Finding the Fourth Proportional to 9,043,516.80, 13,565,275.20 and 8,193,211.20
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Solution
The fourth proportional to 9,043,516.80, 13,565,275.20 and 8,193,211.20 is: 12,289,816.80
Step by Step Solution
- Step 1: Write the proportion equation
9,043,516.80 : 13,565,275.20 = 8,193,211.20 : x - Step 2: Convert to fraction form
9,043,516.80/13,565,275.20 = 8,193,211.20/x - Step 3: Cross multiply
9,043,516.80x = 13,565,275.20 × 8,193,211.20 - Step 4: Simplify right side
9,043,516.80x = 111,143,164,699,722.23 - Step 5: Solve for x
x = 111,143,164,699,722.23/9,043,516.80 - Step 6: Final answer
x = 12,289,816.80
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Similar ratio
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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.