Finding the Fourth Proportional to 36,861,706.75, 50,869,177.20 and 20,564,182.75
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Solution
The fourth proportional to 36,861,706.75, 50,869,177.20 and 20,564,182.75 is: 28,378,584.40
Step by Step Solution
- Step 1: Write the proportion equation
36,861,706.75 : 50,869,177.20 = 20,564,182.75 : x - Step 2: Convert to fraction form
36,861,706.75/50,869,177.20 = 20,564,182.75/x - Step 3: Cross multiply
36,861,706.75x = 50,869,177.20 × 20,564,182.75 - Step 4: Simplify right side
36,861,706.75x = 1,046,083,056,282,933.38 - Step 5: Solve for x
x = 1,046,083,056,282,933.38/36,861,706.75 - Step 6: Final answer
x = 28,378,584.40
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1.5x scale
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.