Finding the Fourth Proportional to 7,389,187.68, 10,204,121.08 and 6,986,626.48
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Solution
The fourth proportional to 7,389,187.68, 10,204,121.08 and 6,986,626.48 is: 9,648,202.97
Step by Step Solution
- Step 1: Write the proportion equation
7,389,187.68 : 10,204,121.08 = 6,986,626.48 : x - Step 2: Convert to fraction form
7,389,187.68/10,204,121.08 = 6,986,626.48/x - Step 3: Cross multiply
7,389,187.68x = 10,204,121.08 × 6,986,626.48 - Step 4: Simplify right side
7,389,187.68x = 71,292,382,542,654.20 - Step 5: Solve for x
x = 71,292,382,542,654.20/7,389,187.68 - Step 6: Final answer
x = 9,648,202.97
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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.