Finding the Fourth Proportional to 29,966,028.80, 44,949,043.20 and 15,617,121.80
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Solution
The fourth proportional to 29,966,028.80, 44,949,043.20 and 15,617,121.80 is: 23,425,682.70
Step by Step Solution
- Step 1: Write the proportion equation
29,966,028.80 : 44,949,043.20 = 15,617,121.80 : x - Step 2: Convert to fraction form
29,966,028.80/44,949,043.20 = 15,617,121.80/x - Step 3: Cross multiply
29,966,028.80x = 44,949,043.20 × 15,617,121.80 - Step 4: Simplify right side
29,966,028.80x = 701,974,682,447,861.88 - Step 5: Solve for x
x = 701,974,682,447,861.88/29,966,028.80 - Step 6: Final answer
x = 23,425,682.70
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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.