Finding the Fourth Proportional to 22,561,925.76, 31,135,458.24 and 12,248,634.24
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Solution
The fourth proportional to 22,561,925.76, 31,135,458.24 and 12,248,634.24 is: 16,903,115.63
Step by Step Solution
- Step 1: Write the proportion equation
22,561,925.76 : 31,135,458.24 = 12,248,634.24 : x - Step 2: Convert to fraction form
22,561,925.76/31,135,458.24 = 12,248,634.24/x - Step 3: Cross multiply
22,561,925.76x = 31,135,458.24 × 12,248,634.24 - Step 4: Simplify right side
22,561,925.76x = 381,366,839,876,554.12 - Step 5: Solve for x
x = 381,366,839,876,554.12/22,561,925.76 - Step 6: Final answer
x = 16,903,115.63
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1.5x scale
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.