Finding the Fourth Proportional to 16,156,662.68, 22,296,088.53 and 9,187,341.41
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Solution
The fourth proportional to 16,156,662.68, 22,296,088.53 and 9,187,341.41 is: 12,678,470.88
Step by Step Solution
- Step 1: Write the proportion equation
16,156,662.68 : 22,296,088.53 = 9,187,341.41 : x - Step 2: Convert to fraction form
16,156,662.68/22,296,088.53 = 9,187,341.41/x - Step 3: Cross multiply
16,156,662.68x = 22,296,088.53 × 9,187,341.41 - Step 4: Simplify right side
16,156,662.68x = 204,841,777,321,214.59 - Step 5: Solve for x
x = 204,841,777,321,214.59/16,156,662.68 - Step 6: Final answer
x = 12,678,470.88
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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.