Finding the Fourth Proportional to 45,665,397.28, 68,491,452.90 and 13,308,611.99
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Solution
The fourth proportional to 45,665,397.28, 68,491,452.90 and 13,308,611.99 is: 19,960,981.96
Step by Step Solution
- Step 1: Write the proportion equation
45,665,397.28 : 68,491,452.90 = 13,308,611.99 : x - Step 2: Convert to fraction form
45,665,397.28/68,491,452.90 = 13,308,611.99/x - Step 3: Cross multiply
45,665,397.28x = 68,491,452.90 × 13,308,611.99 - Step 4: Simplify right side
45,665,397.28x = 911,526,171,448,689 - Step 5: Solve for x
x = 911,526,171,448,689/45,665,397.28 - Step 6: Final answer
x = 19,960,981.96
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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.