Finding the Fourth Proportional to 36,161,459.12, 49,903,217.99 and 21,280,073.15
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Solution
The fourth proportional to 36,161,459.12, 49,903,217.99 and 21,280,073.15 is: 29,366,738.92
Step by Step Solution
- Step 1: Write the proportion equation
36,161,459.12 : 49,903,217.99 = 21,280,073.15 : x - Step 2: Convert to fraction form
36,161,459.12/49,903,217.99 = 21,280,073.15/x - Step 3: Cross multiply
36,161,459.12x = 49,903,217.99 × 21,280,073.15 - Step 4: Simplify right side
36,161,459.12x = 1,061,944,128,891,679.50 - Step 5: Solve for x
x = 1,061,944,128,891,679.50/36,161,459.12 - Step 6: Final answer
x = 29,366,738.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.