Finding the Fourth Proportional to 16,289,662.68, 22,483,649.62 and 9,324,377.91
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Solution
The fourth proportional to 16,289,662.68, 22,483,649.62 and 9,324,377.91 is: 12,869,882.57
Step by Step Solution
- Step 1: Write the proportion equation
16,289,662.68 : 22,483,649.62 = 9,324,377.91 : x - Step 2: Convert to fraction form
16,289,662.68/22,483,649.62 = 9,324,377.91/x - Step 3: Cross multiply
16,289,662.68x = 22,483,649.62 × 9,324,377.91 - Step 4: Simplify right side
16,289,662.68x = 209,646,045,864,563.38 - Step 5: Solve for x
x = 209,646,045,864,563.38/16,289,662.68 - Step 6: Final answer
x = 12,869,882.57
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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.