Finding the Fourth Proportional to 10,019,826.76, 15,029,785.50 and 4,261,076.68
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Solution
The fourth proportional to 10,019,826.76, 15,029,785.50 and 4,261,076.68 is: 6,391,634.31
Step by Step Solution
- Step 1: Write the proportion equation
10,019,826.76 : 15,029,785.50 = 4,261,076.68 : x - Step 2: Convert to fraction form
10,019,826.76/15,029,785.50 = 4,261,076.68/x - Step 3: Cross multiply
10,019,826.76x = 15,029,785.50 × 4,261,076.68 - Step 4: Simplify right side
10,019,826.76x = 64,043,068,499,452.13 - Step 5: Solve for x
x = 64,043,068,499,452.13/10,019,826.76 - Step 6: Final answer
x = 6,391,634.31
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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.