Finding the Fourth Proportional to 39,149,832.40, 58,724,748.60 and 38,394,005.20
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Solution
The fourth proportional to 39,149,832.40, 58,724,748.60 and 38,394,005.20 is: 57,591,007.80
Step by Step Solution
- Step 1: Write the proportion equation
39,149,832.40 : 58,724,748.60 = 38,394,005.20 : x - Step 2: Convert to fraction form
39,149,832.40/58,724,748.60 = 38,394,005.20/x - Step 3: Cross multiply
39,149,832.40x = 58,724,748.60 × 38,394,005.20 - Step 4: Simplify right side
39,149,832.40x = 2,254,678,303,117,093 - Step 5: Solve for x
x = 2,254,678,303,117,093/39,149,832.40 - Step 6: Final answer
x = 57,591,007.80
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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.