Finding the Fourth Proportional to 26,460,855.28, 39,633,414.84 and 18,761,160.88
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Solution
The fourth proportional to 26,460,855.28, 39,633,414.84 and 18,761,160.88 is: 28,100,711.94
Step by Step Solution
- Step 1: Write the proportion equation
26,460,855.28 : 39,633,414.84 = 18,761,160.88 : x - Step 2: Convert to fraction form
26,460,855.28/39,633,414.84 = 18,761,160.88/x - Step 3: Cross multiply
26,460,855.28x = 39,633,414.84 × 18,761,160.88 - Step 4: Simplify right side
26,460,855.28x = 743,568,872,037,019.50 - Step 5: Solve for x
x = 743,568,872,037,019.50/26,460,855.28 - Step 6: Final answer
x = 28,100,711.94
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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.