Finding the Fourth Proportional to 17,727,914.99, 24,475,908.54 and 11,121,560.86
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Solution
The fourth proportional to 17,727,914.99, 24,475,908.54 and 11,121,560.86 is: 15,354,896.87
Step by Step Solution
- Step 1: Write the proportion equation
17,727,914.99 : 24,475,908.54 = 11,121,560.86 : x - Step 2: Convert to fraction form
17,727,914.99/24,475,908.54 = 11,121,560.86/x - Step 3: Cross multiply
17,727,914.99x = 24,475,908.54 × 11,121,560.86 - Step 4: Simplify right side
17,727,914.99x = 272,210,306,431,403.72 - Step 5: Solve for x
x = 272,210,306,431,403.72/17,727,914.99 - Step 6: Final answer
x = 15,354,896.87
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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.