Finding the Fourth Proportional to 7,005,431.54, 9,667,276.19 and 4,106,752.99
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Solution
The fourth proportional to 7,005,431.54, 9,667,276.19 and 4,106,752.99 is: 5,667,190.54
Step by Step Solution
- Step 1: Write the proportion equation
7,005,431.54 : 9,667,276.19 = 4,106,752.99 : x - Step 2: Convert to fraction form
7,005,431.54/9,667,276.19 = 4,106,752.99/x - Step 3: Cross multiply
7,005,431.54x = 9,667,276.19 × 4,106,752.99 - Step 4: Simplify right side
7,005,431.54x = 39,701,115,369,136.68 - Step 5: Solve for x
x = 39,701,115,369,136.68/7,005,431.54 - Step 6: Final answer
x = 5,667,190.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.