Finding the Fourth Proportional to 6,966,170.99, 9,613,635.18 and 3,868,708.02
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Solution
The fourth proportional to 6,966,170.99, 9,613,635.18 and 3,868,708.02 is: 5,338,994.35
Step by Step Solution
- Step 1: Write the proportion equation
6,966,170.99 : 9,613,635.18 = 3,868,708.02 : x - Step 2: Convert to fraction form
6,966,170.99/9,613,635.18 = 3,868,708.02/x - Step 3: Cross multiply
6,966,170.99x = 9,613,635.18 × 3,868,708.02 - Step 4: Simplify right side
6,966,170.99x = 37,192,347,522,220.14 - Step 5: Solve for x
x = 37,192,347,522,220.14/6,966,170.99 - Step 6: Final answer
x = 5,338,994.35
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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.