Finding the Fourth Proportional to 11,656,441.41, 16,083,882.12 and 7,473,784.09
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Solution
The fourth proportional to 11,656,441.41, 16,083,882.12 and 7,473,784.09 is: 10,312,535.20
Step by Step Solution
- Step 1: Write the proportion equation
11,656,441.41 : 16,083,882.12 = 7,473,784.09 : x - Step 2: Convert to fraction form
11,656,441.41/16,083,882.12 = 7,473,784.09/x - Step 3: Cross multiply
11,656,441.41x = 16,083,882.12 × 7,473,784.09 - Step 4: Simplify right side
11,656,441.41x = 120,207,462,290,849.45 - Step 5: Solve for x
x = 120,207,462,290,849.45/11,656,441.41 - Step 6: Final answer
x = 10,312,535.20
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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.