Finding the Fourth Proportional to 16,305,686.23, 22,501,920.26 and 8,963,992.84
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Solution
The fourth proportional to 16,305,686.23, 22,501,920.26 and 8,963,992.84 is: 12,370,350.40
Step by Step Solution
- Step 1: Write the proportion equation
16,305,686.23 : 22,501,920.26 = 8,963,992.84 : x - Step 2: Convert to fraction form
16,305,686.23/22,501,920.26 = 8,963,992.84/x - Step 3: Cross multiply
16,305,686.23x = 22,501,920.26 × 8,963,992.84 - Step 4: Simplify right side
16,305,686.23x = 201,707,052,096,890.94 - Step 5: Solve for x
x = 201,707,052,096,890.94/16,305,686.23 - Step 6: Final answer
x = 12,370,350.40
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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.