Finding the Fourth Proportional to 16,543,309.20, 22,829,367.60 and 9,201,120.48
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Solution
The fourth proportional to 16,543,309.20, 22,829,367.60 and 9,201,120.48 is: 12,697,324.29
Step by Step Solution
- Step 1: Write the proportion equation
16,543,309.20 : 22,829,367.60 = 9,201,120.48 : x - Step 2: Convert to fraction form
16,543,309.20/22,829,367.60 = 9,201,120.48/x - Step 3: Cross multiply
16,543,309.20x = 22,829,367.60 × 9,201,120.48 - Step 4: Simplify right side
16,543,309.20x = 210,055,761,769,808.47 - Step 5: Solve for x
x = 210,055,761,769,808.47/16,543,309.20 - Step 6: Final answer
x = 12,697,324.29
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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.