Finding the Fourth Proportional to 54,807,394.60, 82,218,647.99 and 18,418,604.18
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Solution
The fourth proportional to 54,807,394.60, 82,218,647.99 and 18,418,604.18 is: 27,630,445.56
Step by Step Solution
- Step 1: Write the proportion equation
54,807,394.60 : 82,218,647.99 = 18,418,604.18 : x - Step 2: Convert to fraction form
54,807,394.60/82,218,647.99 = 18,418,604.18/x - Step 3: Cross multiply
54,807,394.60x = 82,218,647.99 × 18,418,604.18 - Step 4: Simplify right side
54,807,394.60x = 1,514,352,733,073,911.25 - Step 5: Solve for x
x = 1,514,352,733,073,911.25/54,807,394.60 - Step 6: Final answer
x = 27,630,445.56
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.