Finding the Fourth Proportional to 16,135,579.05, 24,210,515.94 and 8,457,399.12
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Solution
The fourth proportional to 16,135,579.05, 24,210,515.94 and 8,457,399.12 is: 12,689,844.94
Step by Step Solution
- Step 1: Write the proportion equation
16,135,579.05 : 24,210,515.94 = 8,457,399.12 : x - Step 2: Convert to fraction form
16,135,579.05/24,210,515.94 = 8,457,399.12/x - Step 3: Cross multiply
16,135,579.05x = 24,210,515.94 × 8,457,399.12 - Step 4: Simplify right side
16,135,579.05x = 204,757,996,205,701.97 - Step 5: Solve for x
x = 204,757,996,205,701.97/16,135,579.05 - Step 6: Final answer
x = 12,689,844.94
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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.