Finding the Fourth Proportional to 10,777,629.20, 14,870,908.05 and 6,193,064.84
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Solution
The fourth proportional to 10,777,629.20, 14,870,908.05 and 6,193,064.84 is: 8,545,153.67
Step by Step Solution
- Step 1: Write the proportion equation
10,777,629.20 : 14,870,908.05 = 6,193,064.84 : x - Step 2: Convert to fraction form
10,777,629.20/14,870,908.05 = 6,193,064.84/x - Step 3: Cross multiply
10,777,629.20x = 14,870,908.05 × 6,193,064.84 - Step 4: Simplify right side
10,777,629.20x = 92,096,497,708,973.42 - Step 5: Solve for x
x = 92,096,497,708,973.42/10,777,629.20 - Step 6: Final answer
x = 8,545,153.67
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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.