Finding the Fourth Proportional to 9,193,285.80, 13,789,928.70 and 8,201,262.60
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Solution
The fourth proportional to 9,193,285.80, 13,789,928.70 and 8,201,262.60 is: 12,301,893.90
Step by Step Solution
- Step 1: Write the proportion equation
9,193,285.80 : 13,789,928.70 = 8,201,262.60 : x - Step 2: Convert to fraction form
9,193,285.80/13,789,928.70 = 8,201,262.60/x - Step 3: Cross multiply
9,193,285.80x = 13,789,928.70 × 8,201,262.60 - Step 4: Simplify right side
9,193,285.80x = 113,094,826,503,976.61 - Step 5: Solve for x
x = 113,094,826,503,976.61/9,193,285.80 - Step 6: Final answer
x = 12,301,893.90
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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.