Finding the Fourth Proportional to 19,337,136.20, 29,005,704.30 and 5,872,214.60
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Solution
The fourth proportional to 19,337,136.20, 29,005,704.30 and 5,872,214.60 is: 8,808,321.90
Step by Step Solution
- Step 1: Write the proportion equation
19,337,136.20 : 29,005,704.30 = 5,872,214.60 : x - Step 2: Convert to fraction form
19,337,136.20/29,005,704.30 = 5,872,214.60/x - Step 3: Cross multiply
19,337,136.20x = 29,005,704.30 × 5,872,214.60 - Step 4: Simplify right side
19,337,136.20x = 170,327,720,273,742.78 - Step 5: Solve for x
x = 170,327,720,273,742.78/19,337,136.20 - Step 6: Final answer
x = 8,808,321.90
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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.