Finding the Fourth Proportional to 7,183,752.12, 9,912,272.64 and 4,244,047.92
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Solution
The fourth proportional to 7,183,752.12, 9,912,272.64 and 4,244,047.92 is: 5,856,014.99
Step by Step Solution
- Step 1: Write the proportion equation
7,183,752.12 : 9,912,272.64 = 4,244,047.92 : x - Step 2: Convert to fraction form
7,183,752.12/9,912,272.64 = 4,244,047.92/x - Step 3: Cross multiply
7,183,752.12x = 9,912,272.64 × 4,244,047.92 - Step 4: Simplify right side
7,183,752.12x = 42,068,160,080,264.91 - Step 5: Solve for x
x = 42,068,160,080,264.91/7,183,752.12 - Step 6: Final answer
x = 5,856,014.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.