Finding the Fourth Proportional to 8,709,828.84, 12,019,872.94 and 4,789,882.99
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Solution
The fourth proportional to 8,709,828.84, 12,019,872.94 and 4,789,882.99 is: 6,610,208.54
Step by Step Solution
- Step 1: Write the proportion equation
8,709,828.84 : 12,019,872.94 = 4,789,882.99 : x - Step 2: Convert to fraction form
8,709,828.84/12,019,872.94 = 4,789,882.99/x - Step 3: Cross multiply
8,709,828.84x = 12,019,872.94 × 4,789,882.99 - Step 4: Simplify right side
8,709,828.84x = 57,573,784,940,317.42 - Step 5: Solve for x
x = 57,573,784,940,317.42/8,709,828.84 - Step 6: Final answer
x = 6,610,208.54
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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.