Finding the Fourth Proportional to 12,622,505.45, 18,933,762.29 and 3,037,883.99
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Solution
The fourth proportional to 12,622,505.45, 18,933,762.29 and 3,037,883.99 is: 4,556,826.97
Step by Step Solution
- Step 1: Write the proportion equation
12,622,505.45 : 18,933,762.29 = 3,037,883.99 : x - Step 2: Convert to fraction form
12,622,505.45/18,933,762.29 = 3,037,883.99/x - Step 3: Cross multiply
12,622,505.45x = 18,933,762.29 × 3,037,883.99 - Step 4: Simplify right side
12,622,505.45x = 57,518,573,221,398.50 - Step 5: Solve for x
x = 57,518,573,221,398.50/12,622,505.45 - Step 6: Final answer
x = 4,556,826.97
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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.