Finding the Fourth Proportional to 38,416,226.50, 57,624,438.16 and 15,697,123.75
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Solution
The fourth proportional to 38,416,226.50, 57,624,438.16 and 15,697,123.75 is: 23,545,725.83
Step by Step Solution
- Step 1: Write the proportion equation
38,416,226.50 : 57,624,438.16 = 15,697,123.75 : x - Step 2: Convert to fraction form
38,416,226.50/57,624,438.16 = 15,697,123.75/x - Step 3: Cross multiply
38,416,226.50x = 57,624,438.16 × 15,697,123.75 - Step 4: Simplify right side
38,416,226.50x = 904,537,936,533,620 - Step 5: Solve for x
x = 904,537,936,533,620/38,416,226.50 - Step 6: Final answer
x = 23,545,725.83
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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.