Finding the Fourth Proportional to 11,335,849.65, 15,643,345.19 and 6,179,098.05
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Solution
The fourth proportional to 11,335,849.65, 15,643,345.19 and 6,179,098.05 is: 8,527,085.90
Step by Step Solution
- Step 1: Write the proportion equation
11,335,849.65 : 15,643,345.19 = 6,179,098.05 : x - Step 2: Convert to fraction form
11,335,849.65/15,643,345.19 = 6,179,098.05/x - Step 3: Cross multiply
11,335,849.65x = 15,643,345.19 × 6,179,098.05 - Step 4: Simplify right side
11,335,849.65x = 96,661,763,728,110.39 - Step 5: Solve for x
x = 96,661,763,728,110.39/11,335,849.65 - Step 6: Final answer
x = 8,527,085.90
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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.