Finding the Fourth Proportional to 18,430,235.40, 27,666,348.30 and 10,861,465.80
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Solution
The fourth proportional to 18,430,235.40, 27,666,348.30 and 10,861,465.80 is: 16,304,571.77
Step by Step Solution
- Step 1: Write the proportion equation
18,430,235.40 : 27,666,348.30 = 10,861,465.80 : x - Step 2: Convert to fraction form
18,430,235.40/27,666,348.30 = 10,861,465.80/x - Step 3: Cross multiply
18,430,235.40x = 27,666,348.30 × 10,861,465.80 - Step 4: Simplify right side
18,430,235.40x = 300,497,095,871,338.19 - Step 5: Solve for x
x = 300,497,095,871,338.19/18,430,235.40 - Step 6: Final answer
x = 16,304,571.77
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1.5x scale
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.