Finding the Fourth Proportional to 38,129,757.70, 57,195,035.67 and 15,106,295.63
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Solution
The fourth proportional to 38,129,757.70, 57,195,035.67 and 15,106,295.63 is: 22,659,601.56
Step by Step Solution
- Step 1: Write the proportion equation
38,129,757.70 : 57,195,035.67 = 15,106,295.63 : x - Step 2: Convert to fraction form
38,129,757.70/57,195,035.67 = 15,106,295.63/x - Step 3: Cross multiply
38,129,757.70x = 57,195,035.67 × 15,106,295.63 - Step 4: Simplify right side
38,129,757.70x = 864,005,117,170,088.50 - Step 5: Solve for x
x = 864,005,117,170,088.50/38,129,757.70 - Step 6: Final answer
x = 22,659,601.56
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1.5x scale
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.