Finding the Fourth Proportional to 36,379,041.84, 50,201,313.72 and 20,696,589.68
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Solution
The fourth proportional to 36,379,041.84, 50,201,313.72 and 20,696,589.68 is: 28,560,290.18
Step by Step Solution
- Step 1: Write the proportion equation
36,379,041.84 : 50,201,313.72 = 20,696,589.68 : x - Step 2: Convert to fraction form
36,379,041.84/50,201,313.72 = 20,696,589.68/x - Step 3: Cross multiply
36,379,041.84x = 50,201,313.72 × 20,696,589.68 - Step 4: Simplify right side
36,379,041.84x = 1,038,995,991,459,794.38 - Step 5: Solve for x
x = 1,038,995,991,459,794.38/36,379,041.84 - Step 6: Final answer
x = 28,560,290.18
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1.5x scale
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.