Finding the Fourth Proportional to 11,689,225.71, 16,131,847.65 and 6,532,998.99
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Solution
The fourth proportional to 11,689,225.71, 16,131,847.65 and 6,532,998.99 is: 9,015,938.86
Step by Step Solution
- Step 1: Write the proportion equation
11,689,225.71 : 16,131,847.65 = 6,532,998.99 : x - Step 2: Convert to fraction form
11,689,225.71/16,131,847.65 = 6,532,998.99/x - Step 3: Cross multiply
11,689,225.71x = 16,131,847.65 × 6,532,998.99 - Step 4: Simplify right side
11,689,225.71x = 105,389,344,290,959.64 - Step 5: Solve for x
x = 105,389,344,290,959.64/11,689,225.71 - Step 6: Final answer
x = 9,015,938.86
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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.