Finding the Fourth Proportional to 7,398,672.90, 11,098,009.35 and 2,350,493.70
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Solution
The fourth proportional to 7,398,672.90, 11,098,009.35 and 2,350,493.70 is: 3,525,740.55
Step by Step Solution
- Step 1: Write the proportion equation
7,398,672.90 : 11,098,009.35 = 2,350,493.70 : x - Step 2: Convert to fraction form
7,398,672.90/11,098,009.35 = 2,350,493.70/x - Step 3: Cross multiply
7,398,672.90x = 11,098,009.35 × 2,350,493.70 - Step 4: Simplify right side
7,398,672.90x = 26,085,801,059,716.10 - Step 5: Solve for x
x = 26,085,801,059,716.10/7,398,672.90 - Step 6: Final answer
x = 3,525,740.55
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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.