Finding the Fourth Proportional to 7,462,812.70, 11,194,219.05 and 2,414,123.20
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Solution
The fourth proportional to 7,462,812.70, 11,194,219.05 and 2,414,123.20 is: 3,621,184.80
Step by Step Solution
- Step 1: Write the proportion equation
7,462,812.70 : 11,194,219.05 = 2,414,123.20 : x - Step 2: Convert to fraction form
7,462,812.70/11,194,219.05 = 2,414,123.20/x - Step 3: Cross multiply
7,462,812.70x = 11,194,219.05 × 2,414,123.20 - Step 4: Simplify right side
7,462,812.70x = 27,024,223,914,486.96 - Step 5: Solve for x
x = 27,024,223,914,486.96/7,462,812.70 - Step 6: Final answer
x = 3,621,184.80
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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.