Finding the Fourth Proportional to 43,188,624.42, 64,782,936.22 and 14,434,759.97
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Solution
The fourth proportional to 43,188,624.42, 64,782,936.22 and 14,434,759.97 is: 21,652,139.82
Step by Step Solution
- Step 1: Write the proportion equation
43,188,624.42 : 64,782,936.22 = 14,434,759.97 : x - Step 2: Convert to fraction form
43,188,624.42/64,782,936.22 = 14,434,759.97/x - Step 3: Cross multiply
43,188,624.42x = 64,782,936.22 × 14,434,759.97 - Step 4: Simplify right side
43,188,624.42x = 935,126,134,487,519.12 - Step 5: Solve for x
x = 935,126,134,487,519.12/43,188,624.42 - Step 6: Final answer
x = 21,652,139.82
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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.