Finding the Fourth Proportional to 14,806,238.88, 20,432,469.60 and 8,279,793.48
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Solution
The fourth proportional to 14,806,238.88, 20,432,469.60 and 8,279,793.48 is: 11,426,036.68
Step by Step Solution
- Step 1: Write the proportion equation
14,806,238.88 : 20,432,469.60 = 8,279,793.48 : x - Step 2: Convert to fraction form
14,806,238.88/20,432,469.60 = 8,279,793.48/x - Step 3: Cross multiply
14,806,238.88x = 20,432,469.60 × 8,279,793.48 - Step 4: Simplify right side
14,806,238.88x = 169,176,628,574,378.22 - Step 5: Solve for x
x = 169,176,628,574,378.22/14,806,238.88 - Step 6: Final answer
x = 11,426,036.68
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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.