Finding the Fourth Proportional to 44,245,622.80, 66,368,434.20 and 12,332,918.80
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Solution
The fourth proportional to 44,245,622.80, 66,368,434.20 and 12,332,918.80 is: 18,499,378.20
Step by Step Solution
- Step 1: Write the proportion equation
44,245,622.80 : 66,368,434.20 = 12,332,918.80 : x - Step 2: Convert to fraction form
44,245,622.80/66,368,434.20 = 12,332,918.80/x - Step 3: Cross multiply
44,245,622.80x = 66,368,434.20 × 12,332,918.80 - Step 4: Simplify right side
44,245,622.80x = 818,516,509,871,743 - Step 5: Solve for x
x = 818,516,509,871,743/44,245,622.80 - Step 6: Final answer
x = 18,499,378.20
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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.