Finding the Fourth Proportional to 7,183,718.13, 9,912,225.72 and 4,244,013.84
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Solution
The fourth proportional to 7,183,718.13, 9,912,225.72 and 4,244,013.84 is: 5,855,967.95
Step by Step Solution
- Step 1: Write the proportion equation
7,183,718.13 : 9,912,225.72 = 4,244,013.84 : x - Step 2: Convert to fraction form
7,183,718.13/9,912,225.72 = 4,244,013.84/x - Step 3: Cross multiply
7,183,718.13x = 9,912,225.72 × 4,244,013.84 - Step 4: Simplify right side
7,183,718.13x = 42,067,623,140,883.97 - Step 5: Solve for x
x = 42,067,623,140,883.97/7,183,718.13 - Step 6: Final answer
x = 5,855,967.95
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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.