Finding the Fourth Proportional to 7,462,825.20, 11,194,237.80 and 2,414,135.70
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Solution
The fourth proportional to 7,462,825.20, 11,194,237.80 and 2,414,135.70 is: 3,621,203.55
Step by Step Solution
- Step 1: Write the proportion equation
7,462,825.20 : 11,194,237.80 = 2,414,135.70 : x - Step 2: Convert to fraction form
7,462,825.20/11,194,237.80 = 2,414,135.70/x - Step 3: Cross multiply
7,462,825.20x = 11,194,237.80 × 2,414,135.70 - Step 4: Simplify right side
7,462,825.20x = 27,024,409,107,269.46 - Step 5: Solve for x
x = 27,024,409,107,269.46/7,462,825.20 - Step 6: Final answer
x = 3,621,203.55
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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.