Finding the Fourth Proportional to 11,177,190.80, 16,765,786.20 and 3,604,403.60
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Solution
The fourth proportional to 11,177,190.80, 16,765,786.20 and 3,604,403.60 is: 5,406,605.40
Step by Step Solution
- Step 1: Write the proportion equation
11,177,190.80 : 16,765,786.20 = 3,604,403.60 : x - Step 2: Convert to fraction form
11,177,190.80/16,765,786.20 = 3,604,403.60/x - Step 3: Cross multiply
11,177,190.80x = 16,765,786.20 × 3,604,403.60 - Step 4: Simplify right side
11,177,190.80x = 60,430,660,136,110.32 - Step 5: Solve for x
x = 60,430,660,136,110.32/11,177,190.80 - Step 6: Final answer
x = 5,406,605.40
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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.