Finding the Fourth Proportional to 17,691,631.06, 24,421,983.90 and 11,893,775.50
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Solution
The fourth proportional to 17,691,631.06, 24,421,983.90 and 11,893,775.50 is: 16,418,474.52
Step by Step Solution
- Step 1: Write the proportion equation
17,691,631.06 : 24,421,983.90 = 11,893,775.50 : x - Step 2: Convert to fraction form
17,691,631.06/24,421,983.90 = 11,893,775.50/x - Step 3: Cross multiply
17,691,631.06x = 24,421,983.90 × 11,893,775.50 - Step 4: Simplify right side
17,691,631.06x = 290,469,593,771,214.44 - Step 5: Solve for x
x = 290,469,593,771,214.44/17,691,631.06 - Step 6: Final answer
x = 16,418,474.52
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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.