Finding the Fourth Proportional to 28,787,287.05, 43,204,550.18 and 27,842,503.05
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Solution
The fourth proportional to 28,787,287.05, 43,204,550.18 and 27,842,503.05 is: 41,786,598.99
Step by Step Solution
- Step 1: Write the proportion equation
28,787,287.05 : 43,204,550.18 = 27,842,503.05 : x - Step 2: Convert to fraction form
28,787,287.05/43,204,550.18 = 27,842,503.05/x - Step 3: Cross multiply
28,787,287.05x = 43,204,550.18 × 27,842,503.05 - Step 4: Simplify right side
28,787,287.05x = 1,202,922,820,021,315.50 - Step 5: Solve for x
x = 1,202,922,820,021,315.50/28,787,287.05 - Step 6: Final answer
x = 41,786,598.99
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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.