Finding the Fourth Proportional to 16,107,821.96, 22,228,797.94 and 8,864,477.96
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Solution
The fourth proportional to 16,107,821.96, 22,228,797.94 and 8,864,477.96 is: 12,232,981.58
Step by Step Solution
- Step 1: Write the proportion equation
16,107,821.96 : 22,228,797.94 = 8,864,477.96 : x - Step 2: Convert to fraction form
16,107,821.96/22,228,797.94 = 8,864,477.96/x - Step 3: Cross multiply
16,107,821.96x = 22,228,797.94 × 8,864,477.96 - Step 4: Simplify right side
16,107,821.96x = 197,046,689,316,360 - Step 5: Solve for x
x = 197,046,689,316,360/16,107,821.96 - Step 6: Final answer
x = 12,232,981.58
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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.