Finding the Fourth Proportional to 18,107,052.62, 24,983,358.73 and 11,489,228.15
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Solution
The fourth proportional to 18,107,052.62, 24,983,358.73 and 11,489,228.15 is: 15,852,359.54
Step by Step Solution
- Step 1: Write the proportion equation
18,107,052.62 : 24,983,358.73 = 11,489,228.15 : x - Step 2: Convert to fraction form
18,107,052.62/24,983,358.73 = 11,489,228.15/x - Step 3: Cross multiply
18,107,052.62x = 24,983,358.73 × 11,489,228.15 - Step 4: Simplify right side
18,107,052.62x = 287,039,508,248,624.38 - Step 5: Solve for x
x = 287,039,508,248,624.38/18,107,052.62 - Step 6: Final answer
x = 15,852,359.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.