Finding the Fourth Proportional to 18,213,245.10, 27,316,368.45 and 5,434,166.70
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Solution
The fourth proportional to 18,213,245.10, 27,316,368.45 and 5,434,166.70 is: 8,150,206.02
Step by Step Solution
- Step 1: Write the proportion equation
18,213,245.10 : 27,316,368.45 = 5,434,166.70 : x - Step 2: Convert to fraction form
18,213,245.10/27,316,368.45 = 5,434,166.70/x - Step 3: Cross multiply
18,213,245.10x = 27,316,368.45 × 5,434,166.70 - Step 4: Simplify right side
18,213,245.10x = 148,441,699,795,920.62 - Step 5: Solve for x
x = 148,441,699,795,920.62/18,213,245.10 - Step 6: Final answer
x = 8,150,206.02
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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.