Finding the Fourth Proportional to 16,207,056.81, 22,364,525.93 and 8,864,510.49
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Solution
The fourth proportional to 16,207,056.81, 22,364,525.93 and 8,864,510.49 is: 12,232,361.31
Step by Step Solution
- Step 1: Write the proportion equation
16,207,056.81 : 22,364,525.93 = 8,864,510.49 : x - Step 2: Convert to fraction form
16,207,056.81/22,364,525.93 = 8,864,510.49/x - Step 3: Cross multiply
16,207,056.81x = 22,364,525.93 × 8,864,510.49 - Step 4: Simplify right side
16,207,056.81x = 198,250,574,666,039.47 - Step 5: Solve for x
x = 198,250,574,666,039.47/16,207,056.81 - Step 6: Final answer
x = 12,232,361.31
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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.