Finding the Fourth Proportional to 11,584,470.96, 15,985,513.10 and 6,874,054.66
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Solution
The fourth proportional to 11,584,470.96, 15,985,513.10 and 6,874,054.66 is: 9,485,568.33
Step by Step Solution
- Step 1: Write the proportion equation
11,584,470.96 : 15,985,513.10 = 6,874,054.66 : x - Step 2: Convert to fraction form
11,584,470.96/15,985,513.10 = 6,874,054.66/x - Step 3: Cross multiply
11,584,470.96x = 15,985,513.10 × 6,874,054.66 - Step 4: Simplify right side
11,584,470.96x = 109,885,290,763,008.94 - Step 5: Solve for x
x = 109,885,290,763,008.94/11,584,470.96 - Step 6: Final answer
x = 9,485,568.33
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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.