Finding the Fourth Proportional to 11,473,313.20, 17,209,969.80 and 3,386,552.65
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Solution
The fourth proportional to 11,473,313.20, 17,209,969.80 and 3,386,552.65 is: 5,079,828.98
Step by Step Solution
- Step 1: Write the proportion equation
11,473,313.20 : 17,209,969.80 = 3,386,552.65 : x - Step 2: Convert to fraction form
11,473,313.20/17,209,969.80 = 3,386,552.65/x - Step 3: Cross multiply
11,473,313.20x = 17,209,969.80 × 3,386,552.65 - Step 4: Simplify right side
11,473,313.20x = 58,282,468,832,609.97 - Step 5: Solve for x
x = 58,282,468,832,609.97/11,473,313.20 - Step 6: Final answer
x = 5,079,828.98
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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.