Finding the Fourth Proportional to 14,623,139.88, 21,939,193.98 and 6,542,916.84
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Solution
The fourth proportional to 14,623,139.88, 21,939,193.98 and 6,542,916.84 is: 9,816,381.63
Step by Step Solution
- Step 1: Write the proportion equation
14,623,139.88 : 21,939,193.98 = 6,542,916.84 : x - Step 2: Convert to fraction form
14,623,139.88/21,939,193.98 = 6,542,916.84/x - Step 3: Cross multiply
14,623,139.88x = 21,939,193.98 × 6,542,916.84 - Step 4: Simplify right side
14,623,139.88x = 143,546,321,747,768.62 - Step 5: Solve for x
x = 143,546,321,747,768.62/14,623,139.88 - Step 6: Final answer
x = 9,816,381.63
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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.