Finding the Fourth Proportional to 9,177,240.80, 13,765,861.20 and 4,394,271.80
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Solution
The fourth proportional to 9,177,240.80, 13,765,861.20 and 4,394,271.80 is: 6,591,407.70
Step by Step Solution
- Step 1: Write the proportion equation
9,177,240.80 : 13,765,861.20 = 4,394,271.80 : x - Step 2: Convert to fraction form
9,177,240.80/13,765,861.20 = 4,394,271.80/x - Step 3: Cross multiply
9,177,240.80x = 13,765,861.20 × 4,394,271.80 - Step 4: Simplify right side
9,177,240.80x = 60,490,935,673,874.16 - Step 5: Solve for x
x = 60,490,935,673,874.16/9,177,240.80 - Step 6: Final answer
x = 6,591,407.70
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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.