Finding the Fourth Proportional to 35,486,299.40, 48,971,803.38 and 20,013,355.40
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Solution
The fourth proportional to 35,486,299.40, 48,971,803.38 and 20,013,355.40 is: 27,618,830.99
Step by Step Solution
- Step 1: Write the proportion equation
35,486,299.40 : 48,971,803.38 = 20,013,355.40 : x - Step 2: Convert to fraction form
35,486,299.40/48,971,803.38 = 20,013,355.40/x - Step 3: Cross multiply
35,486,299.40x = 48,971,803.38 × 20,013,355.40 - Step 4: Simplify right side
35,486,299.40x = 980,090,105,622,861.25 - Step 5: Solve for x
x = 980,090,105,622,861.25/35,486,299.40 - Step 6: Final answer
x = 27,618,830.99
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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.