Finding the Fourth Proportional to 7,243,419.79, 10,865,131.71 and 2,693,874.16
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Solution
The fourth proportional to 7,243,419.79, 10,865,131.71 and 2,693,874.16 is: 4,040,811.99
Step by Step Solution
- Step 1: Write the proportion equation
7,243,419.79 : 10,865,131.71 = 2,693,874.16 : x - Step 2: Convert to fraction form
7,243,419.79/10,865,131.71 = 2,693,874.16/x - Step 3: Cross multiply
7,243,419.79x = 10,865,131.71 × 2,693,874.16 - Step 4: Simplify right side
7,243,419.79x = 29,269,297,558,565.62 - Step 5: Solve for x
x = 29,269,297,558,565.62/7,243,419.79 - Step 6: Final answer
x = 4,040,811.99
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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.