Finding the Fourth Proportional to 16,193,217.36, 22,346,029.20 and 8,850,988.56
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Solution
The fourth proportional to 16,193,217.36, 22,346,029.20 and 8,850,988.56 is: 12,214,030.38
Step by Step Solution
- Step 1: Write the proportion equation
16,193,217.36 : 22,346,029.20 = 8,850,988.56 : x - Step 2: Convert to fraction form
16,193,217.36/22,346,029.20 = 8,850,988.56/x - Step 3: Cross multiply
16,193,217.36x = 22,346,029.20 × 8,850,988.56 - Step 4: Simplify right side
16,193,217.36x = 197,784,448,810,625.97 - Step 5: Solve for x
x = 197,784,448,810,625.97/16,193,217.36 - Step 6: Final answer
x = 12,214,030.38
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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.