Finding the Fourth Proportional to 7,462,876.70, 11,194,315.05 and 2,414,187.20
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Solution
The fourth proportional to 7,462,876.70, 11,194,315.05 and 2,414,187.20 is: 3,621,280.80
Step by Step Solution
- Step 1: Write the proportion equation
7,462,876.70 : 11,194,315.05 = 2,414,187.20 : x - Step 2: Convert to fraction form
7,462,876.70/11,194,315.05 = 2,414,187.20/x - Step 3: Cross multiply
7,462,876.70x = 11,194,315.05 × 2,414,187.20 - Step 4: Simplify right side
7,462,876.70x = 27,025,172,106,477.36 - Step 5: Solve for x
x = 27,025,172,106,477.36/7,462,876.70 - Step 6: Final answer
x = 3,621,280.80
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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.