Finding the Fourth Proportional to 29,640,633.42, 40,903,195.61 and 16,410,399.99
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Solution
The fourth proportional to 29,640,633.42, 40,903,195.61 and 16,410,399.99 is: 22,645,865.60
Step by Step Solution
- Step 1: Write the proportion equation
29,640,633.42 : 40,903,195.61 = 16,410,399.99 : x - Step 2: Convert to fraction form
29,640,633.42/40,903,195.61 = 16,410,399.99/x - Step 3: Cross multiply
29,640,633.42x = 40,903,195.61 × 16,410,399.99 - Step 4: Simplify right side
29,640,633.42x = 671,237,800,926,672.12 - Step 5: Solve for x
x = 671,237,800,926,672.12/29,640,633.42 - Step 6: Final answer
x = 22,645,865.60
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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.