Finding the Fourth Proportional to 22,136,291.49, 30,548,135.61 and 12,347,369.70
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Solution
The fourth proportional to 22,136,291.49, 30,548,135.61 and 12,347,369.70 is: 17,039,399.95
Step by Step Solution
- Step 1: Write the proportion equation
22,136,291.49 : 30,548,135.61 = 12,347,369.70 : x - Step 2: Convert to fraction form
22,136,291.49/30,548,135.61 = 12,347,369.70/x - Step 3: Cross multiply
22,136,291.49x = 30,548,135.61 × 12,347,369.70 - Step 4: Simplify right side
22,136,291.49x = 377,189,124,022,405 - Step 5: Solve for x
x = 377,189,124,022,405/22,136,291.49 - Step 6: Final answer
x = 17,039,399.95
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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.