Finding the Fourth Proportional to 11,145,266.32, 15,382,148.70 and 6,796,874.93
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Solution
The fourth proportional to 11,145,266.32, 15,382,148.70 and 6,796,874.93 is: 9,380,712.66
Step by Step Solution
- Step 1: Write the proportion equation
11,145,266.32 : 15,382,148.70 = 6,796,874.93 : x - Step 2: Convert to fraction form
11,145,266.32/15,382,148.70 = 6,796,874.93/x - Step 3: Cross multiply
11,145,266.32x = 15,382,148.70 × 6,796,874.93 - Step 4: Simplify right side
11,145,266.32x = 104,550,540,817,139.62 - Step 5: Solve for x
x = 104,550,540,817,139.62/11,145,266.32 - Step 6: Final answer
x = 9,380,712.66
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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.