Finding the Fourth Proportional to 19,634,728.64, 29,452,012.22 and 5,987,834.88
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Solution
The fourth proportional to 19,634,728.64, 29,452,012.22 and 5,987,834.88 is: 8,981,727.70
Step by Step Solution
- Step 1: Write the proportion equation
19,634,728.64 : 29,452,012.22 = 5,987,834.88 : x - Step 2: Convert to fraction form
19,634,728.64/29,452,012.22 = 5,987,834.88/x - Step 3: Cross multiply
19,634,728.64x = 29,452,012.22 × 5,987,834.88 - Step 4: Simplify right side
19,634,728.64x = 176,353,786,057,102.22 - Step 5: Solve for x
x = 176,353,786,057,102.22/19,634,728.64 - Step 6: Final answer
x = 8,981,727.70
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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.