Finding the Fourth Proportional to 38,098,170.68, 52,576,453.44 and 20,695,511.84
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Solution
The fourth proportional to 38,098,170.68, 52,576,453.44 and 20,695,511.84 is: 28,560,337.55
Step by Step Solution
- Step 1: Write the proportion equation
38,098,170.68 : 52,576,453.44 = 20,695,511.84 : x - Step 2: Convert to fraction form
38,098,170.68/52,576,453.44 = 20,695,511.84/x - Step 3: Cross multiply
38,098,170.68x = 52,576,453.44 × 20,695,511.84 - Step 4: Simplify right side
38,098,170.68x = 1,088,096,614,672,728.62 - Step 5: Solve for x
x = 1,088,096,614,672,728.62/38,098,170.68 - Step 6: Final answer
x = 28,560,337.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.