Finding the Fourth Proportional to 36,804,941.40, 55,207,412.10 and 12,571,231.80
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Solution
The fourth proportional to 36,804,941.40, 55,207,412.10 and 12,571,231.80 is: 18,856,847.70
Step by Step Solution
- Step 1: Write the proportion equation
36,804,941.40 : 55,207,412.10 = 12,571,231.80 : x - Step 2: Convert to fraction form
36,804,941.40/55,207,412.10 = 12,571,231.80/x - Step 3: Cross multiply
36,804,941.40x = 55,207,412.10 × 12,571,231.80 - Step 4: Simplify right side
36,804,941.40x = 694,025,174,587,224.88 - Step 5: Solve for x
x = 694,025,174,587,224.88/36,804,941.40 - Step 6: Final answer
x = 18,856,847.70
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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.