Finding the Fourth Proportional to 38,162,717.64, 57,213,970.42 and 18,983,006.28
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Solution
The fourth proportional to 38,162,717.64, 57,213,970.42 and 18,983,006.28 is: 28,459,533.99
Step by Step Solution
- Step 1: Write the proportion equation
38,162,717.64 : 57,213,970.42 = 18,983,006.28 : x - Step 2: Convert to fraction form
38,162,717.64/57,213,970.42 = 18,983,006.28/x - Step 3: Cross multiply
38,162,717.64x = 57,213,970.42 × 18,983,006.28 - Step 4: Simplify right side
38,162,717.64x = 1,086,093,159,786,594.38 - Step 5: Solve for x
x = 1,086,093,159,786,594.38/38,162,717.64 - Step 6: Final answer
x = 28,459,533.99
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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.