Finding the Fourth Proportional to 36,457,004.80, 54,706,502.40 and 13,754,195.20
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Solution
The fourth proportional to 36,457,004.80, 54,706,502.40 and 13,754,195.20 is: 20,639,213.69
Step by Step Solution
- Step 1: Write the proportion equation
36,457,004.80 : 54,706,502.40 = 13,754,195.20 : x - Step 2: Convert to fraction form
36,457,004.80/54,706,502.40 = 13,754,195.20/x - Step 3: Cross multiply
36,457,004.80x = 54,706,502.40 × 13,754,195.20 - Step 4: Simplify right side
36,457,004.80x = 752,443,912,718,868.38 - Step 5: Solve for x
x = 752,443,912,718,868.38/36,457,004.80 - Step 6: Final answer
x = 20,639,213.69
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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.