Finding the Fourth Proportional to 7,574,045.76, 10,452,221.64 and 4,136,286.69
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Solution
The fourth proportional to 7,574,045.76, 10,452,221.64 and 4,136,286.69 is: 5,708,096.65
Step by Step Solution
- Step 1: Write the proportion equation
7,574,045.76 : 10,452,221.64 = 4,136,286.69 : x - Step 2: Convert to fraction form
7,574,045.76/10,452,221.64 = 4,136,286.69/x - Step 3: Cross multiply
7,574,045.76x = 10,452,221.64 × 4,136,286.69 - Step 4: Simplify right side
7,574,045.76x = 43,233,385,250,461.98 - Step 5: Solve for x
x = 43,233,385,250,461.98/7,574,045.76 - Step 6: Final answer
x = 5,708,096.65
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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.