Finding the Fourth Proportional to 36,207,203.28, 54,312,505.88 and 11,948,251.12
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Solution
The fourth proportional to 36,207,203.28, 54,312,505.88 and 11,948,251.12 is: 17,922,937.99
Step by Step Solution
- Step 1: Write the proportion equation
36,207,203.28 : 54,312,505.88 = 11,948,251.12 : x - Step 2: Convert to fraction form
36,207,203.28/54,312,505.88 = 11,948,251.12/x - Step 3: Cross multiply
36,207,203.28x = 54,312,505.88 × 11,948,251.12 - Step 4: Simplify right side
36,207,203.28x = 648,939,459,210,716.62 - Step 5: Solve for x
x = 648,939,459,210,716.62/36,207,203.28 - Step 6: Final answer
x = 17,922,937.99
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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.