Finding the Fourth Proportional to 31,104,000.60, 46,656,000.90 and 19,682,611.80
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Solution
The fourth proportional to 31,104,000.60, 46,656,000.90 and 19,682,611.80 is: 29,523,917.70
Step by Step Solution
- Step 1: Write the proportion equation
31,104,000.60 : 46,656,000.90 = 19,682,611.80 : x - Step 2: Convert to fraction form
31,104,000.60/46,656,000.90 = 19,682,611.80/x - Step 3: Cross multiply
31,104,000.60x = 46,656,000.90 × 19,682,611.80 - Step 4: Simplify right side
31,104,000.60x = 918,311,953,855,150.62 - Step 5: Solve for x
x = 918,311,953,855,150.62/31,104,000.60 - Step 6: Final answer
x = 29,523,917.70
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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.