Finding the Fourth Proportional to 11,519,169.56, 17,281,331.61 and 4,330,765.70
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Solution
The fourth proportional to 11,519,169.56, 17,281,331.61 and 4,330,765.70 is: 6,497,117.50
Step by Step Solution
- Step 1: Write the proportion equation
11,519,169.56 : 17,281,331.61 = 4,330,765.70 : x - Step 2: Convert to fraction form
11,519,169.56/17,281,331.61 = 4,330,765.70/x - Step 3: Cross multiply
11,519,169.56x = 17,281,331.61 × 4,330,765.70 - Step 4: Simplify right side
11,519,169.56x = 74,841,398,186,913.78 - Step 5: Solve for x
x = 74,841,398,186,913.78/11,519,169.56 - Step 6: Final answer
x = 6,497,117.50
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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.