Finding the Fourth Proportional to 9,534,905.40, 14,302,798.76 and 3,145,716.12
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Solution
The fourth proportional to 9,534,905.40, 14,302,798.76 and 3,145,716.12 is: 4,718,719.56
Step by Step Solution
- Step 1: Write the proportion equation
9,534,905.40 : 14,302,798.76 = 3,145,716.12 : x - Step 2: Convert to fraction form
9,534,905.40/14,302,798.76 = 3,145,716.12/x - Step 3: Cross multiply
9,534,905.40x = 14,302,798.76 × 3,145,716.12 - Step 4: Simplify right side
9,534,905.40x = 44,992,544,620,448.02 - Step 5: Solve for x
x = 44,992,544,620,448.02/9,534,905.40 - Step 6: Final answer
x = 4,718,719.56
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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.