Finding the Fourth Proportional to 14,091,660.24, 19,447,690.44 and 7,981,175.76
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Solution
The fourth proportional to 14,091,660.24, 19,447,690.44 and 7,981,175.76 is: 11,014,701.81
Step by Step Solution
- Step 1: Write the proportion equation
14,091,660.24 : 19,447,690.44 = 7,981,175.76 : x - Step 2: Convert to fraction form
14,091,660.24/19,447,690.44 = 7,981,175.76/x - Step 3: Cross multiply
14,091,660.24x = 19,447,690.44 × 7,981,175.76 - Step 4: Simplify right side
14,091,660.24x = 155,215,435,527,711.75 - Step 5: Solve for x
x = 155,215,435,527,711.75/14,091,660.24 - Step 6: Final answer
x = 11,014,701.81
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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.