Finding the Fourth Proportional to 10,148,479.53, 13,991,353.86 and 8,062,244
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Solution
The fourth proportional to 10,148,479.53, 13,991,353.86 and 8,062,244 is: 11,115,133.89
Step by Step Solution
- Step 1: Write the proportion equation
10,148,479.53 : 13,991,353.86 = 8,062,244 : x - Step 2: Convert to fraction form
10,148,479.53/13,991,353.86 = 8,062,244/x - Step 3: Cross multiply
10,148,479.53x = 13,991,353.86 × 8,062,244 - Step 4: Simplify right side
10,148,479.53x = 112,801,708,709,661.83 - Step 5: Solve for x
x = 112,801,708,709,661.83/10,148,479.53 - Step 6: Final answer
x = 11,115,133.89
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1.5x scale
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.