Finding the Fourth Proportional to 11,537,078.46, 15,919,399.69 and 6,641,354.62
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Solution
The fourth proportional to 11,537,078.46, 15,919,399.69 and 6,641,354.62 is: 9,164,051.28
Step by Step Solution
- Step 1: Write the proportion equation
11,537,078.46 : 15,919,399.69 = 6,641,354.62 : x - Step 2: Convert to fraction form
11,537,078.46/15,919,399.69 = 6,641,354.62/x - Step 3: Cross multiply
11,537,078.46x = 15,919,399.69 × 6,641,354.62 - Step 4: Simplify right side
11,537,078.46x = 105,726,378,678,808.06 - Step 5: Solve for x
x = 105,726,378,678,808.06/11,537,078.46 - Step 6: Final answer
x = 9,164,051.28
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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.