Finding the Fourth Proportional to 7,609,687.56, 11,425,916.97 and 6,588,176.99
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Solution
The fourth proportional to 7,609,687.56, 11,425,916.97 and 6,588,176.99 is: 9,892,122.72
Step by Step Solution
- Step 1: Write the proportion equation
7,609,687.56 : 11,425,916.97 = 6,588,176.99 : x - Step 2: Convert to fraction form
7,609,687.56/11,425,916.97 = 6,588,176.99/x - Step 3: Cross multiply
7,609,687.56x = 11,425,916.97 × 6,588,176.99 - Step 4: Simplify right side
7,609,687.56x = 75,275,963,214,274.94 - Step 5: Solve for x
x = 75,275,963,214,274.94/7,609,687.56 - Step 6: Final answer
x = 9,892,122.72
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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.