Finding the Fourth Proportional to 16,541,989.12, 22,828,990.08 and 9,299,111.68
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Solution
The fourth proportional to 16,541,989.12, 22,828,990.08 and 9,299,111.68 is: 12,833,361.62
Step by Step Solution
- Step 1: Write the proportion equation
16,541,989.12 : 22,828,990.08 = 9,299,111.68 : x - Step 2: Convert to fraction form
16,541,989.12/22,828,990.08 = 9,299,111.68/x - Step 3: Cross multiply
16,541,989.12x = 22,828,990.08 × 9,299,111.68 - Step 4: Simplify right side
16,541,989.12x = 212,289,328,295,532.12 - Step 5: Solve for x
x = 212,289,328,295,532.12/16,541,989.12 - Step 6: Final answer
x = 12,833,361.62
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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.