Finding the Fourth Proportional to 23,121,414.24, 31,907,134.08 and 12,808,105.44
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Solution
The fourth proportional to 23,121,414.24, 31,907,134.08 and 12,808,105.44 is: 17,674,954.19
Step by Step Solution
- Step 1: Write the proportion equation
23,121,414.24 : 31,907,134.08 = 12,808,105.44 : x - Step 2: Convert to fraction form
23,121,414.24/31,907,134.08 = 12,808,105.44/x - Step 3: Cross multiply
23,121,414.24x = 31,907,134.08 × 12,808,105.44 - Step 4: Simplify right side
23,121,414.24x = 408,669,937,584,857.38 - Step 5: Solve for x
x = 408,669,937,584,857.38/23,121,414.24 - Step 6: Final answer
x = 17,674,954.19
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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.