Finding the Fourth Proportional to 7,518,983.69, 11,278,910.34 and 2,127,182.44
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Solution
The fourth proportional to 7,518,983.69, 11,278,910.34 and 2,127,182.44 is: 3,190,896.67
Step by Step Solution
- Step 1: Write the proportion equation
7,518,983.69 : 11,278,910.34 = 2,127,182.44 : x - Step 2: Convert to fraction form
7,518,983.69/11,278,910.34 = 2,127,182.44/x - Step 3: Cross multiply
7,518,983.69x = 11,278,910.34 × 2,127,182.44 - Step 4: Simplify right side
7,518,983.69x = 23,992,299,989,385.15 - Step 5: Solve for x
x = 23,992,299,989,385.15/7,518,983.69 - Step 6: Final answer
x = 3,190,896.67
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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.