Finding the Fourth Proportional to 10,901,079.70, 16,351,619.55 and 9,891,341.80
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Solution
The fourth proportional to 10,901,079.70, 16,351,619.55 and 9,891,341.80 is: 14,837,012.70
Step by Step Solution
- Step 1: Write the proportion equation
10,901,079.70 : 16,351,619.55 = 9,891,341.80 : x - Step 2: Convert to fraction form
10,901,079.70/16,351,619.55 = 9,891,341.80/x - Step 3: Cross multiply
10,901,079.70x = 16,351,619.55 × 9,891,341.80 - Step 4: Simplify right side
10,901,079.70x = 161,739,457,952,612.22 - Step 5: Solve for x
x = 161,739,457,952,612.22/10,901,079.70 - Step 6: Final answer
x = 14,837,012.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.