Finding the Fourth Proportional to 22,232,957.41, 30,682,440.11 and 12,309,840.01
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Solution
The fourth proportional to 22,232,957.41, 30,682,440.11 and 12,309,840.01 is: 16,988,110.12
Step by Step Solution
- Step 1: Write the proportion equation
22,232,957.41 : 30,682,440.11 = 12,309,840.01 : x - Step 2: Convert to fraction form
22,232,957.41/30,682,440.11 = 12,309,840.01/x - Step 3: Cross multiply
22,232,957.41x = 30,682,440.11 × 12,309,840.01 - Step 4: Simplify right side
22,232,957.41x = 377,695,928,784,081.88 - Step 5: Solve for x
x = 377,695,928,784,081.88/22,232,957.41 - Step 6: Final answer
x = 16,988,110.12
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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.