Finding the Fourth Proportional to 27,149,455.80, 40,724,183.70 and 25,889,743.80
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Solution
The fourth proportional to 27,149,455.80, 40,724,183.70 and 25,889,743.80 is: 38,834,615.70
Step by Step Solution
- Step 1: Write the proportion equation
27,149,455.80 : 40,724,183.70 = 25,889,743.80 : x - Step 2: Convert to fraction form
27,149,455.80/40,724,183.70 = 25,889,743.80/x - Step 3: Cross multiply
27,149,455.80x = 40,724,183.70 × 25,889,743.80 - Step 4: Simplify right side
27,149,455.80x = 1,054,338,682,457,136.12 - Step 5: Solve for x
x = 1,054,338,682,457,136.12/27,149,455.80 - Step 6: Final answer
x = 38,834,615.70
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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.