Finding the Fourth Proportional to 18,357,619.80, 27,557,643.60 and 9,854,563.80
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Solution
The fourth proportional to 18,357,619.80, 27,557,643.60 and 9,854,563.80 is: 14,793,233.55
Step by Step Solution
- Step 1: Write the proportion equation
18,357,619.80 : 27,557,643.60 = 9,854,563.80 : x - Step 2: Convert to fraction form
18,357,619.80/27,557,643.60 = 9,854,563.80/x - Step 3: Cross multiply
18,357,619.80x = 27,557,643.60 × 9,854,563.80 - Step 4: Simplify right side
18,357,619.80x = 271,568,557,033,861.72 - Step 5: Solve for x
x = 271,568,557,033,861.72/18,357,619.80 - Step 6: Final answer
x = 14,793,233.55
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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.