Finding the Fourth Proportional to 7,395,581.70, 11,093,372.55 and 6,828,711.30
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Solution
The fourth proportional to 7,395,581.70, 11,093,372.55 and 6,828,711.30 is: 10,243,066.95
Step by Step Solution
- Step 1: Write the proportion equation
7,395,581.70 : 11,093,372.55 = 6,828,711.30 : x - Step 2: Convert to fraction form
7,395,581.70/11,093,372.55 = 6,828,711.30/x - Step 3: Cross multiply
7,395,581.70x = 11,093,372.55 × 6,828,711.30 - Step 4: Simplify right side
7,395,581.70x = 75,753,438,487,294.81 - Step 5: Solve for x
x = 75,753,438,487,294.81/7,395,581.70 - Step 6: Final answer
x = 10,243,066.95
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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.