Finding the Fourth Proportional to 36,180,541.40, 54,252,149.70 and 13,449,738.20
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Solution
The fourth proportional to 36,180,541.40, 54,252,149.70 and 13,449,738.20 is: 20,167,669.75
Step by Step Solution
- Step 1: Write the proportion equation
36,180,541.40 : 54,252,149.70 = 13,449,738.20 : x - Step 2: Convert to fraction form
36,180,541.40/54,252,149.70 = 13,449,738.20/x - Step 3: Cross multiply
36,180,541.40x = 54,252,149.70 × 13,449,738.20 - Step 4: Simplify right side
36,180,541.40x = 729,677,210,252,208.50 - Step 5: Solve for x
x = 729,677,210,252,208.50/36,180,541.40 - Step 6: Final answer
x = 20,167,669.75
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1.5x scale
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.