Finding the Fourth Proportional to 21,723,711, 32,589,762.66 and 8,259,492.12
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Solution
The fourth proportional to 21,723,711, 32,589,762.66 and 8,259,492.12 is: 12,390,833.59
Step by Step Solution
- Step 1: Write the proportion equation
21,723,711 : 32,589,762.66 = 8,259,492.12 : x - Step 2: Convert to fraction form
21,723,711/32,589,762.66 = 8,259,492.12/x - Step 3: Cross multiply
21,723,711x = 32,589,762.66 × 8,259,492.12 - Step 4: Simplify right side
21,723,711x = 269,174,887,882,940.25 - Step 5: Solve for x
x = 269,174,887,882,940.25/21,723,711 - Step 6: Final answer
x = 12,390,833.59
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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.