Finding the Fourth Proportional to 18,370,725.12, 27,562,286.40 and 8,134,187.52
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Solution
The fourth proportional to 18,370,725.12, 27,562,286.40 and 8,134,187.52 is: 12,204,025.95
Step by Step Solution
- Step 1: Write the proportion equation
18,370,725.12 : 27,562,286.40 = 8,134,187.52 : x - Step 2: Convert to fraction form
18,370,725.12/27,562,286.40 = 8,134,187.52/x - Step 3: Cross multiply
18,370,725.12x = 27,562,286.40 × 8,134,187.52 - Step 4: Simplify right side
18,370,725.12x = 224,196,806,057,545.72 - Step 5: Solve for x
x = 224,196,806,057,545.72/18,370,725.12 - Step 6: Final answer
x = 12,204,025.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.