Finding the Fourth Proportional to 21,675,862.25, 32,505,692.60 and 8,717,639.18
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Solution
The fourth proportional to 21,675,862.25, 32,505,692.60 and 8,717,639.18 is: 13,073,200.77
Step by Step Solution
- Step 1: Write the proportion equation
21,675,862.25 : 32,505,692.60 = 8,717,639.18 : x - Step 2: Convert to fraction form
21,675,862.25/32,505,692.60 = 8,717,639.18/x - Step 3: Cross multiply
21,675,862.25x = 32,505,692.60 × 8,717,639.18 - Step 4: Simplify right side
21,675,862.25x = 283,372,899,193,025 - Step 5: Solve for x
x = 283,372,899,193,025/21,675,862.25 - Step 6: Final answer
x = 13,073,200.77
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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.