Finding the Fourth Proportional to 23,429,847.68, 32,332,245.12 and 13,640,573.60
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Solution
The fourth proportional to 23,429,847.68, 32,332,245.12 and 13,640,573.60 is: 18,823,441.59
Step by Step Solution
- Step 1: Write the proportion equation
23,429,847.68 : 32,332,245.12 = 13,640,573.60 : x - Step 2: Convert to fraction form
23,429,847.68/32,332,245.12 = 13,640,573.60/x - Step 3: Cross multiply
23,429,847.68x = 32,332,245.12 × 13,640,573.60 - Step 4: Simplify right side
23,429,847.68x = 441,030,369,212,600.81 - Step 5: Solve for x
x = 441,030,369,212,600.81/23,429,847.68 - Step 6: Final answer
x = 18,823,441.59
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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.