Finding the Fourth Proportional to 18,661,478.28, 27,992,193.08 and 5,014,624.83
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Solution
The fourth proportional to 18,661,478.28, 27,992,193.08 and 5,014,624.83 is: 7,521,930.70
Step by Step Solution
- Step 1: Write the proportion equation
18,661,478.28 : 27,992,193.08 = 5,014,624.83 : x - Step 2: Convert to fraction form
18,661,478.28/27,992,193.08 = 5,014,624.83/x - Step 3: Cross multiply
18,661,478.28x = 27,992,193.08 × 5,014,624.83 - Step 4: Simplify right side
18,661,478.28x = 140,370,346,440,049.05 - Step 5: Solve for x
x = 140,370,346,440,049.05/18,661,478.28 - Step 6: Final answer
x = 7,521,930.70
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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.