Finding the Fourth Proportional to 22,477,858.20, 31,019,482.44 and 12,164,589.36
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Solution
The fourth proportional to 22,477,858.20, 31,019,482.44 and 12,164,589.36 is: 16,787,153.95
Step by Step Solution
- Step 1: Write the proportion equation
22,477,858.20 : 31,019,482.44 = 12,164,589.36 : x - Step 2: Convert to fraction form
22,477,858.20/31,019,482.44 = 12,164,589.36/x - Step 3: Cross multiply
22,477,858.20x = 31,019,482.44 × 12,164,589.36 - Step 4: Simplify right side
22,477,858.20x = 377,339,266,042,330.81 - Step 5: Solve for x
x = 377,339,266,042,330.81/22,477,858.20 - Step 6: Final answer
x = 16,787,153.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.