Finding the Fourth Proportional to 7,518,998.87, 10,375,949.92 and 4,255,743.53
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Solution
The fourth proportional to 7,518,998.87, 10,375,949.92 and 4,255,743.53 is: 5,872,774.09
Step by Step Solution
- Step 1: Write the proportion equation
7,518,998.87 : 10,375,949.92 = 4,255,743.53 : x - Step 2: Convert to fraction form
7,518,998.87/10,375,949.92 = 4,255,743.53/x - Step 3: Cross multiply
7,518,998.87x = 10,375,949.92 × 4,255,743.53 - Step 4: Simplify right side
7,518,998.87x = 44,157,381,760,300.55 - Step 5: Solve for x
x = 44,157,381,760,300.55/7,518,998.87 - Step 6: Final answer
x = 5,872,774.09
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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.