Finding the Fourth Proportional to 10,265,957.36, 14,166,593.90 and 5,619,626.99
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Solution
The fourth proportional to 10,265,957.36, 14,166,593.90 and 5,619,626.99 is: 7,754,851.37
Step by Step Solution
- Step 1: Write the proportion equation
10,265,957.36 : 14,166,593.90 = 5,619,626.99 : x - Step 2: Convert to fraction form
10,265,957.36/14,166,593.90 = 5,619,626.99/x - Step 3: Cross multiply
10,265,957.36x = 14,166,593.90 × 5,619,626.99 - Step 4: Simplify right side
10,265,957.36x = 79,610,973,486,274.91 - Step 5: Solve for x
x = 79,610,973,486,274.91/10,265,957.36 - Step 6: Final answer
x = 7,754,851.37
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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.