Finding the Fourth Proportional to 14,806,343.35, 20,432,370.13 and 8,191,176.18
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Solution
The fourth proportional to 14,806,343.35, 20,432,370.13 and 8,191,176.18 is: 11,303,610.86
Step by Step Solution
- Step 1: Write the proportion equation
14,806,343.35 : 20,432,370.13 = 8,191,176.18 : x - Step 2: Convert to fraction form
14,806,343.35/20,432,370.13 = 8,191,176.18/x - Step 3: Cross multiply
14,806,343.35x = 20,432,370.13 × 8,191,176.18 - Step 4: Simplify right side
14,806,343.35x = 167,365,143,509,799.50 - Step 5: Solve for x
x = 167,365,143,509,799.50/14,806,343.35 - Step 6: Final answer
x = 11,303,610.86
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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.