Finding the Fourth Proportional to 34,450,817.19, 47,542,983.92 and 21,214,983.84
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Solution
The fourth proportional to 34,450,817.19, 47,542,983.92 and 21,214,983.84 is: 29,277,204.95
Step by Step Solution
- Step 1: Write the proportion equation
34,450,817.19 : 47,542,983.92 = 21,214,983.84 : x - Step 2: Convert to fraction form
34,450,817.19/47,542,983.92 = 21,214,983.84/x - Step 3: Cross multiply
34,450,817.19x = 47,542,983.92 × 21,214,983.84 - Step 4: Simplify right side
34,450,817.19x = 1,008,623,635,568,179.88 - Step 5: Solve for x
x = 1,008,623,635,568,179.88/34,450,817.19 - Step 6: Final answer
x = 29,277,204.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.