Finding the Fourth Proportional to 16,305,685.23, 22,501,918.88 and 8,963,991.84
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Solution
The fourth proportional to 16,305,685.23, 22,501,918.88 and 8,963,991.84 is: 12,370,349.02
Step by Step Solution
- Step 1: Write the proportion equation
16,305,685.23 : 22,501,918.88 = 8,963,991.84 : x - Step 2: Convert to fraction form
16,305,685.23/22,501,918.88 = 8,963,991.84/x - Step 3: Cross multiply
16,305,685.23x = 22,501,918.88 × 8,963,991.84 - Step 4: Simplify right side
16,305,685.23x = 201,707,017,224,661.94 - Step 5: Solve for x
x = 201,707,017,224,661.94/16,305,685.23 - Step 6: Final answer
x = 12,370,349.02
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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.