Finding the Fourth Proportional to 16,422,151.68, 22,661,655.12 and 9,079,560
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Solution
The fourth proportional to 16,422,151.68, 22,661,655.12 and 9,079,560 is: 12,529,287.35
Step by Step Solution
- Step 1: Write the proportion equation
16,422,151.68 : 22,661,655.12 = 9,079,560 : x - Step 2: Convert to fraction form
16,422,151.68/22,661,655.12 = 9,079,560/x - Step 3: Cross multiply
16,422,151.68x = 22,661,655.12 × 9,079,560 - Step 4: Simplify right side
16,422,151.68x = 205,757,857,361,347.22 - Step 5: Solve for x
x = 205,757,857,361,347.22/16,422,151.68 - Step 6: Final answer
x = 12,529,287.35
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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.