Finding the Fourth Proportional to 47,440,232.69, 71,166,107.34 and 13,361,578.56
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Solution
The fourth proportional to 47,440,232.69, 71,166,107.34 and 13,361,578.56 is: 20,043,989.67
Step by Step Solution
- Step 1: Write the proportion equation
47,440,232.69 : 71,166,107.34 = 13,361,578.56 : x - Step 2: Convert to fraction form
47,440,232.69/71,166,107.34 = 13,361,578.56/x - Step 3: Cross multiply
47,440,232.69x = 71,166,107.34 × 13,361,578.56 - Step 4: Simplify right side
47,440,232.69x = 950,891,534,032,802.75 - Step 5: Solve for x
x = 950,891,534,032,802.75/47,440,232.69 - Step 6: Final answer
x = 20,043,989.67
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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.