Finding the Fourth Proportional to 11,205,648.28, 15,464,207.10 and 6,244,535.44
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Solution
The fourth proportional to 11,205,648.28, 15,464,207.10 and 6,244,535.44 is: 8,617,688.77
Step by Step Solution
- Step 1: Write the proportion equation
11,205,648.28 : 15,464,207.10 = 6,244,535.44 : x - Step 2: Convert to fraction form
11,205,648.28/15,464,207.10 = 6,244,535.44/x - Step 3: Cross multiply
11,205,648.28x = 15,464,207.10 × 6,244,535.44 - Step 4: Simplify right side
11,205,648.28x = 96,566,789,287,449.62 - Step 5: Solve for x
x = 96,566,789,287,449.62/11,205,648.28 - Step 6: Final answer
x = 8,617,688.77
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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.