Finding the Fourth Proportional to 39,412,131.75, 59,119,808.22 and 13,522,236.21
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Solution
The fourth proportional to 39,412,131.75, 59,119,808.22 and 13,522,236.21 is: 20,283,906.91
Step by Step Solution
- Step 1: Write the proportion equation
39,412,131.75 : 59,119,808.22 = 13,522,236.21 : x - Step 2: Convert to fraction form
39,412,131.75/59,119,808.22 = 13,522,236.21/x - Step 3: Cross multiply
39,412,131.75x = 59,119,808.22 × 13,522,236.21 - Step 4: Simplify right side
39,412,131.75x = 799,432,011,440,739.62 - Step 5: Solve for x
x = 799,432,011,440,739.62/39,412,131.75 - Step 6: Final answer
x = 20,283,906.91
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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.