Finding the Fourth Proportional to 33,989,369.11, 51,007,599.65 and 13,516,990.99
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Solution
The fourth proportional to 33,989,369.11, 51,007,599.65 and 13,516,990.99 is: 20,284,850.32
Step by Step Solution
- Step 1: Write the proportion equation
33,989,369.11 : 51,007,599.65 = 13,516,990.99 : x - Step 2: Convert to fraction form
33,989,369.11/51,007,599.65 = 13,516,990.99/x - Step 3: Cross multiply
33,989,369.11x = 51,007,599.65 × 13,516,990.99 - Step 4: Simplify right side
33,989,369.11x = 689,469,264,890,577.12 - Step 5: Solve for x
x = 689,469,264,890,577.12/33,989,369.11 - Step 6: Final answer
x = 20,284,850.32
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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.