Finding the Fourth Proportional to 14,591,503.38, 20,135,923.44 and 7,975,794.99
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Solution
The fourth proportional to 14,591,503.38, 20,135,923.44 and 7,975,794.99 is: 11,006,405.10
Step by Step Solution
- Step 1: Write the proportion equation
14,591,503.38 : 20,135,923.44 = 7,975,794.99 : x - Step 2: Convert to fraction form
14,591,503.38/20,135,923.44 = 7,975,794.99/x - Step 3: Cross multiply
14,591,503.38x = 20,135,923.44 × 7,975,794.99 - Step 4: Simplify right side
14,591,503.38x = 160,599,997,151,216.97 - Step 5: Solve for x
x = 160,599,997,151,216.97/14,591,503.38 - Step 6: Final answer
x = 11,006,405.10
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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.