Finding the Fourth Proportional to 7,683,241.09, 10,602,869.21 and 4,245,452.05
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Solution
The fourth proportional to 7,683,241.09, 10,602,869.21 and 4,245,452.05 is: 5,858,721.90
Step by Step Solution
- Step 1: Write the proportion equation
7,683,241.09 : 10,602,869.21 = 4,245,452.05 : x - Step 2: Convert to fraction form
7,683,241.09/10,602,869.21 = 4,245,452.05/x - Step 3: Cross multiply
7,683,241.09x = 10,602,869.21 × 4,245,452.05 - Step 4: Simplify right side
7,683,241.09x = 45,013,972,802,249.12 - Step 5: Solve for x
x = 45,013,972,802,249.12/7,683,241.09 - Step 6: Final answer
x = 5,858,721.90
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1.5x scale
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.