Finding the Fourth Proportional to 20,135,774.10, 27,786,471.96 and 11,763,919.88
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Solution
The fourth proportional to 20,135,774.10, 27,786,471.96 and 11,763,919.88 is: 16,233,685.79
Step by Step Solution
- Step 1: Write the proportion equation
20,135,774.10 : 27,786,471.96 = 11,763,919.88 : x - Step 2: Convert to fraction form
20,135,774.10/27,786,471.96 = 11,763,919.88/x - Step 3: Cross multiply
20,135,774.10x = 27,786,471.96 × 11,763,919.88 - Step 4: Simplify right side
20,135,774.10x = 326,877,829,894,688.19 - Step 5: Solve for x
x = 326,877,829,894,688.19/20,135,774.10 - Step 6: Final answer
x = 16,233,685.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.