Finding the Fourth Proportional to 16,305,684.23, 22,501,917.50 and 8,963,990.84
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Solution
The fourth proportional to 16,305,684.23, 22,501,917.50 and 8,963,990.84 is: 12,370,347.63
Step by Step Solution
- Step 1: Write the proportion equation
16,305,684.23 : 22,501,917.50 = 8,963,990.84 : x - Step 2: Convert to fraction form
16,305,684.23/22,501,917.50 = 8,963,990.84/x - Step 3: Cross multiply
16,305,684.23x = 22,501,917.50 × 8,963,990.84 - Step 4: Simplify right side
16,305,684.23x = 201,706,982,195,106.19 - Step 5: Solve for x
x = 201,706,982,195,106.19/16,305,684.23 - Step 6: Final answer
x = 12,370,347.63
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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.