Finding the Fourth Proportional to 16,107,828.34, 22,228,806.74 and 8,864,484.34
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Solution
The fourth proportional to 16,107,828.34, 22,228,806.74 and 8,864,484.34 is: 12,232,990.38
Step by Step Solution
- Step 1: Write the proportion equation
16,107,828.34 : 22,228,806.74 = 8,864,484.34 : x - Step 2: Convert to fraction form
16,107,828.34/22,228,806.74 = 8,864,484.34/x - Step 3: Cross multiply
16,107,828.34x = 22,228,806.74 × 8,864,484.34 - Step 4: Simplify right side
16,107,828.34x = 197,046,909,143,722.03 - Step 5: Solve for x
x = 197,046,909,143,722.03/16,107,828.34 - Step 6: Final answer
x = 12,232,990.38
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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.