Finding the Fourth Proportional to 10,311,873.92, 15,467,712.36 and 6,269,477.84
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Solution
The fourth proportional to 10,311,873.92, 15,467,712.36 and 6,269,477.84 is: 9,404,156.86
Step by Step Solution
- Step 1: Write the proportion equation
10,311,873.92 : 15,467,712.36 = 6,269,477.84 : x - Step 2: Convert to fraction form
10,311,873.92/15,467,712.36 = 6,269,477.84/x - Step 3: Cross multiply
10,311,873.92x = 15,467,712.36 × 6,269,477.84 - Step 4: Simplify right side
10,311,873.92x = 96,974,479,876,514.09 - Step 5: Solve for x
x = 96,974,479,876,514.09/10,311,873.92 - Step 6: Final answer
x = 9,404,156.86
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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.