Finding the Fourth Proportional to 10,704,586.42, 14,772,343.85 and 5,809,808.58
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Solution
The fourth proportional to 10,704,586.42, 14,772,343.85 and 5,809,808.58 is: 8,017,543.75
Step by Step Solution
- Step 1: Write the proportion equation
10,704,586.42 : 14,772,343.85 = 5,809,808.58 : x - Step 2: Convert to fraction form
10,704,586.42/14,772,343.85 = 5,809,808.58/x - Step 3: Cross multiply
10,704,586.42x = 14,772,343.85 × 5,809,808.58 - Step 4: Simplify right side
10,704,586.42x = 85,824,489,972,888.30 - Step 5: Solve for x
x = 85,824,489,972,888.30/10,704,586.42 - Step 6: Final answer
x = 8,017,543.75
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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.