Finding the Fourth Proportional to 39,442,845.49, 59,170,625.74 and 12,149,125.55
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Solution
The fourth proportional to 39,442,845.49, 59,170,625.74 and 12,149,125.55 is: 18,225,646.56
Step by Step Solution
- Step 1: Write the proportion equation
39,442,845.49 : 59,170,625.74 = 12,149,125.55 : x - Step 2: Convert to fraction form
39,442,845.49/59,170,625.74 = 12,149,125.55/x - Step 3: Cross multiply
39,442,845.49x = 59,170,625.74 × 12,149,125.55 - Step 4: Simplify right side
39,442,845.49x = 718,871,361,109,846.75 - Step 5: Solve for x
x = 718,871,361,109,846.75/39,442,845.49 - Step 6: Final answer
x = 18,225,646.56
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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.