Finding the Fourth Proportional to 30,969,431.84, 46,451,143.92 and 9,404,220.08
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Solution
The fourth proportional to 30,969,431.84, 46,451,143.92 and 9,404,220.08 is: 14,105,417.97
Step by Step Solution
- Step 1: Write the proportion equation
30,969,431.84 : 46,451,143.92 = 9,404,220.08 : x - Step 2: Convert to fraction form
30,969,431.84/46,451,143.92 = 9,404,220.08/x - Step 3: Cross multiply
30,969,431.84x = 46,451,143.92 × 9,404,220.08 - Step 4: Simplify right side
30,969,431.84x = 436,836,780,391,433.94 - Step 5: Solve for x
x = 436,836,780,391,433.94/30,969,431.84 - Step 6: Final answer
x = 14,105,417.97
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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.