Finding the Fourth Proportional to 47,389,424.49, 71,086,892.36 and 13,313,427.57
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Solution
The fourth proportional to 47,389,424.49, 71,086,892.36 and 13,313,427.57 is: 19,970,915.51
Step by Step Solution
- Step 1: Write the proportion equation
47,389,424.49 : 71,086,892.36 = 13,313,427.57 : x - Step 2: Convert to fraction form
47,389,424.49/71,086,892.36 = 13,313,427.57/x - Step 3: Cross multiply
47,389,424.49x = 71,086,892.36 × 13,313,427.57 - Step 4: Simplify right side
47,389,424.49x = 946,410,192,544,679.25 - Step 5: Solve for x
x = 946,410,192,544,679.25/47,389,424.49 - Step 6: Final answer
x = 19,970,915.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.