Finding the Fourth Proportional to 17,102,462.80, 25,617,924.60 and 8,012,318.80
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Solution
The fourth proportional to 17,102,462.80, 25,617,924.60 and 8,012,318.80 is: 12,001,720.53
Step by Step Solution
- Step 1: Write the proportion equation
17,102,462.80 : 25,617,924.60 = 8,012,318.80 : x - Step 2: Convert to fraction form
17,102,462.80/25,617,924.60 = 8,012,318.80/x - Step 3: Cross multiply
17,102,462.80x = 25,617,924.60 × 8,012,318.80 - Step 4: Simplify right side
17,102,462.80x = 205,258,978,889,562.50 - Step 5: Solve for x
x = 205,258,978,889,562.50/17,102,462.80 - Step 6: Final answer
x = 12,001,720.53
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1.5x scale
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.