Finding the Fourth Proportional to 15,545,817.02, 23,318,725.52 and 7,987,545.02
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Solution
The fourth proportional to 15,545,817.02, 23,318,725.52 and 7,987,545.02 is: 11,981,317.52
Step by Step Solution
- Step 1: Write the proportion equation
15,545,817.02 : 23,318,725.52 = 7,987,545.02 : x - Step 2: Convert to fraction form
15,545,817.02/23,318,725.52 = 7,987,545.02/x - Step 3: Cross multiply
15,545,817.02x = 23,318,725.52 × 7,987,545.02 - Step 4: Simplify right side
15,545,817.02x = 186,259,369,900,022.91 - Step 5: Solve for x
x = 186,259,369,900,022.91/15,545,817.02 - Step 6: Final answer
x = 11,981,317.52
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1.5x scale
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.