Finding the Fourth Proportional to 22,474,868.40, 33,655,278.60 and 12,366,068.40
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Solution
The fourth proportional to 22,474,868.40, 33,655,278.60 and 12,366,068.40 is: 18,517,726.99
Step by Step Solution
- Step 1: Write the proportion equation
22,474,868.40 : 33,655,278.60 = 12,366,068.40 : x - Step 2: Convert to fraction form
22,474,868.40/33,655,278.60 = 12,366,068.40/x - Step 3: Cross multiply
22,474,868.40x = 33,655,278.60 × 12,366,068.40 - Step 4: Simplify right side
22,474,868.40x = 416,183,477,188,656.25 - Step 5: Solve for x
x = 416,183,477,188,656.25/22,474,868.40 - Step 6: Final answer
x = 18,517,726.99
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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.