Finding the Fourth Proportional to 9,810,805.74, 14,718,564.09 and 3,079,219.74
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Solution
The fourth proportional to 9,810,805.74, 14,718,564.09 and 3,079,219.74 is: 4,619,568.90
Step by Step Solution
- Step 1: Write the proportion equation
9,810,805.74 : 14,718,564.09 = 3,079,219.74 : x - Step 2: Convert to fraction form
9,810,805.74/14,718,564.09 = 3,079,219.74/x - Step 3: Cross multiply
9,810,805.74x = 14,718,564.09 × 3,079,219.74 - Step 4: Simplify right side
9,810,805.74x = 45,321,693,090,383.14 - Step 5: Solve for x
x = 45,321,693,090,383.14/9,810,805.74 - Step 6: Final answer
x = 4,619,568.90
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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.