Finding the Fourth Proportional to 10,368,324.70, 15,552,487.05 and 2,796,055.90
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Solution
The fourth proportional to 10,368,324.70, 15,552,487.05 and 2,796,055.90 is: 4,194,083.85
Step by Step Solution
- Step 1: Write the proportion equation
10,368,324.70 : 15,552,487.05 = 2,796,055.90 : x - Step 2: Convert to fraction form
10,368,324.70/15,552,487.05 = 2,796,055.90/x - Step 3: Cross multiply
10,368,324.70x = 15,552,487.05 × 2,796,055.90 - Step 4: Simplify right side
10,368,324.70x = 43,485,623,175,826.09 - Step 5: Solve for x
x = 43,485,623,175,826.09/10,368,324.70 - Step 6: Final answer
x = 4,194,083.85
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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.