Finding the Fourth Proportional to 39,442,846.41, 59,170,627.12 and 12,149,126.48
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Solution
The fourth proportional to 39,442,846.41, 59,170,627.12 and 12,149,126.48 is: 18,225,647.94
Step by Step Solution
- Step 1: Write the proportion equation
39,442,846.41 : 59,170,627.12 = 12,149,126.48 : x - Step 2: Convert to fraction form
39,442,846.41/59,170,627.12 = 12,149,126.48/x - Step 3: Cross multiply
39,442,846.41x = 59,170,627.12 × 12,149,126.48 - Step 4: Simplify right side
39,442,846.41x = 718,871,432,485,945 - Step 5: Solve for x
x = 718,871,432,485,945/39,442,846.41 - Step 6: Final answer
x = 18,225,647.94
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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.