Finding the Fourth Proportional to 8,887,929.92, 13,332,586.08 and 2,904,902.72
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Solution
The fourth proportional to 8,887,929.92, 13,332,586.08 and 2,904,902.72 is: 4,357,579.99
Step by Step Solution
- Step 1: Write the proportion equation
8,887,929.92 : 13,332,586.08 = 2,904,902.72 : x - Step 2: Convert to fraction form
8,887,929.92/13,332,586.08 = 2,904,902.72/x - Step 3: Cross multiply
8,887,929.92x = 13,332,586.08 × 2,904,902.72 - Step 4: Simplify right side
8,887,929.92x = 38,729,865,568,426.14 - Step 5: Solve for x
x = 38,729,865,568,426.14/8,887,929.92 - Step 6: Final answer
x = 4,357,579.99
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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.