Finding the Fourth Proportional to 18,213,582.34, 27,317,380.23 and 6,539,537.08
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Solution
The fourth proportional to 18,213,582.34, 27,317,380.23 and 6,539,537.08 is: 9,808,230.89
Step by Step Solution
- Step 1: Write the proportion equation
18,213,582.34 : 27,317,380.23 = 6,539,537.08 : x - Step 2: Convert to fraction form
18,213,582.34/27,317,380.23 = 6,539,537.08/x - Step 3: Cross multiply
18,213,582.34x = 27,317,380.23 × 6,539,537.08 - Step 4: Simplify right side
18,213,582.34x = 178,643,020,976,690.66 - Step 5: Solve for x
x = 178,643,020,976,690.66/18,213,582.34 - Step 6: Final answer
x = 9,808,230.89
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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.