Finding the Fourth Proportional to 22,480,815.81, 31,024,277.18 and 13,777,306.68
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Solution
The fourth proportional to 22,480,815.81, 31,024,277.18 and 13,777,306.68 is: 19,013,143.69
Step by Step Solution
- Step 1: Write the proportion equation
22,480,815.81 : 31,024,277.18 = 13,777,306.68 : x - Step 2: Convert to fraction form
22,480,815.81/31,024,277.18 = 13,777,306.68/x - Step 3: Cross multiply
22,480,815.81x = 31,024,277.18 × 13,777,306.68 - Step 4: Simplify right side
22,480,815.81x = 427,430,981,234,185.56 - Step 5: Solve for x
x = 427,430,981,234,185.56/22,480,815.81 - Step 6: Final answer
x = 19,013,143.69
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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.