Finding the Fourth Proportional to 18,290,883.05, 27,433,653.93 and 5,333,551.85
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Solution
The fourth proportional to 18,290,883.05, 27,433,653.93 and 5,333,551.85 is: 7,999,549.02
Step by Step Solution
- Step 1: Write the proportion equation
18,290,883.05 : 27,433,653.93 = 5,333,551.85 : x - Step 2: Convert to fraction form
18,290,883.05/27,433,653.93 = 5,333,551.85/x - Step 3: Cross multiply
18,290,883.05x = 27,433,653.93 × 5,333,551.85 - Step 4: Simplify right side
18,290,883.05x = 146,318,815,533,443 - Step 5: Solve for x
x = 146,318,815,533,443/18,290,883.05 - Step 6: Final answer
x = 7,999,549.02
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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.