Finding the Fourth Proportional to 7,381,127.58, 10,185,962.45 and 4,117,942.99
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Solution
The fourth proportional to 7,381,127.58, 10,185,962.45 and 4,117,942.99 is: 5,682,764.88
Step by Step Solution
- Step 1: Write the proportion equation
7,381,127.58 : 10,185,962.45 = 4,117,942.99 : x - Step 2: Convert to fraction form
7,381,127.58/10,185,962.45 = 4,117,942.99/x - Step 3: Cross multiply
7,381,127.58x = 10,185,962.45 × 4,117,942.99 - Step 4: Simplify right side
7,381,127.58x = 41,945,212,616,450.91 - Step 5: Solve for x
x = 41,945,212,616,450.91/7,381,127.58 - Step 6: Final answer
x = 5,682,764.88
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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.