Finding the Fourth Proportional to 7,498,557.42, 11,248,229.18 and 2,381,395.38
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Solution
The fourth proportional to 7,498,557.42, 11,248,229.18 and 2,381,395.38 is: 3,572,217.90
Step by Step Solution
- Step 1: Write the proportion equation
7,498,557.42 : 11,248,229.18 = 2,381,395.38 : x - Step 2: Convert to fraction form
7,498,557.42/11,248,229.18 = 2,381,395.38/x - Step 3: Cross multiply
7,498,557.42x = 11,248,229.18 × 2,381,395.38 - Step 4: Simplify right side
7,498,557.42x = 26,786,481,002,433.19 - Step 5: Solve for x
x = 26,786,481,002,433.19/7,498,557.42 - Step 6: Final answer
x = 3,572,217.90
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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.