Finding the Fourth Proportional to 11,330,821.80, 16,996,232.70 and 10,211,077.80
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Solution
The fourth proportional to 11,330,821.80, 16,996,232.70 and 10,211,077.80 is: 15,316,616.70
Step by Step Solution
- Step 1: Write the proportion equation
11,330,821.80 : 16,996,232.70 = 10,211,077.80 : x - Step 2: Convert to fraction form
11,330,821.80/16,996,232.70 = 10,211,077.80/x - Step 3: Cross multiply
11,330,821.80x = 16,996,232.70 × 10,211,077.80 - Step 4: Simplify right side
11,330,821.80x = 173,549,854,406,604.06 - Step 5: Solve for x
x = 173,549,854,406,604.06/11,330,821.80 - Step 6: Final answer
x = 15,316,616.70
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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.