Finding the Fourth Proportional to 11,146,882.91, 15,381,468.47 and 6,251,097.51
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Solution
The fourth proportional to 11,146,882.91, 15,381,468.47 and 6,251,097.51 is: 8,625,824.82
Step by Step Solution
- Step 1: Write the proportion equation
11,146,882.91 : 15,381,468.47 = 6,251,097.51 : x - Step 2: Convert to fraction form
11,146,882.91/15,381,468.47 = 6,251,097.51/x - Step 3: Cross multiply
11,146,882.91x = 15,381,468.47 × 6,251,097.51 - Step 4: Simplify right side
11,146,882.91x = 96,151,059,268,588.25 - Step 5: Solve for x
x = 96,151,059,268,588.25/11,146,882.91 - Step 6: Final answer
x = 8,625,824.82
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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.