Finding the Fourth Proportional to 18,575,771.70, 27,840,037.95 and 8,970,467.70
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Solution
The fourth proportional to 18,575,771.70, 27,840,037.95 and 8,970,467.70 is: 13,444,295.36
Step by Step Solution
- Step 1: Write the proportion equation
18,575,771.70 : 27,840,037.95 = 8,970,467.70 : x - Step 2: Convert to fraction form
18,575,771.70/27,840,037.95 = 8,970,467.70/x - Step 3: Cross multiply
18,575,771.70x = 27,840,037.95 × 8,970,467.70 - Step 4: Simplify right side
18,575,771.70x = 249,738,161,197,249.19 - Step 5: Solve for x
x = 249,738,161,197,249.19/18,575,771.70 - Step 6: Final answer
x = 13,444,295.36
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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.