Finding the Fourth Proportional to 27,438,896.40, 41,162,108.99 and 15,929,766.51
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Solution
The fourth proportional to 27,438,896.40, 41,162,108.99 and 15,929,766.51 is: 23,896,835.20
Step by Step Solution
- Step 1: Write the proportion equation
27,438,896.40 : 41,162,108.99 = 15,929,766.51 : x - Step 2: Convert to fraction form
27,438,896.40/41,162,108.99 = 15,929,766.51/x - Step 3: Cross multiply
27,438,896.40x = 41,162,108.99 × 15,929,766.51 - Step 4: Simplify right side
27,438,896.40x = 655,702,785,269,872 - Step 5: Solve for x
x = 655,702,785,269,872/27,438,896.40 - Step 6: Final answer
x = 23,896,835.20
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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.