Finding the Fourth Proportional to 7,462,372.20, 11,199,463.20 and 2,915,599.20
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Solution
The fourth proportional to 7,462,372.20, 11,199,463.20 and 2,915,599.20 is: 4,375,705.88
Step by Step Solution
- Step 1: Write the proportion equation
7,462,372.20 : 11,199,463.20 = 2,915,599.20 : x - Step 2: Convert to fraction form
7,462,372.20/11,199,463.20 = 2,915,599.20/x - Step 3: Cross multiply
7,462,372.20x = 11,199,463.20 × 2,915,599.20 - Step 4: Simplify right side
7,462,372.20x = 32,653,145,946,349.44 - Step 5: Solve for x
x = 32,653,145,946,349.44/7,462,372.20 - Step 6: Final answer
x = 4,375,705.88
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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.